COSA CAUSA l’AIDS ? – BUGIE sull’AIDS
Ecco cosa afferma il ricercatore dott. Peter Duesberg (Virologo di fama mondiale)
vedi i video su AIDS generato e propagato dai Vaccini in Africa
È una Domanda Aperta
di Charles A. Thomas Jr., Kary B. Mullis (premio Nobel per la chimica nel 1993), & Phillip E. Johnson Reason – Giugno 1994
(Tratto e tradotto da “What causes Aids ?” disponibile in versione integrale su www.duesberg.com)
La maggior parte delle persone credono di sapere quale sia la causa dell’AIDS. Per una decade, scienziati, ufficiali statali, medici, giornalisti, addetti ai servizi pubblici, spettacoli della TV e film hanno detto loro l’AIDS è causato da un “retrovirus” chiamato HIV; questo virus infetta apparentemente e uccide le cellule T del sistema immunitario e conduce ad una inevitabile e fatale deficienza del sistema immunitario dopo un periodo asintomatico di qualcosa come 10 anni.
L’aids e’ una malattia metabolica ! vedi: Nutriterapia + L’altra storia dell’Aids
La maggior parte delle persone non sanno, perche’ c’è stato un black out dell’informazione sui mass media, di una controversia scientifica che dura ormai da molto tempo sulle vere cause dell’AIDS.
Una controversia che si è sempre di più surriscaldata via via che le predizioni della teoria ufficiale si sono dimostrate errate.
Scienziati biochimici, fra i quali l’esperto di retrovirus dell’Università di Berkeley in California Peter Duesberg ed il premio Nobel Walter Gilbert, hanno avvertito da anni che da anni che non c’è prova che l’HIV causi l’AIDS.
Gli avvertimenti hanno incontrati dapprima il silenzio, poi il ridicolo e il disprezzo.
Nel 1990, per esempio, La rivista “Nature” pubblicò una delle rare risposte dei medici dell’establishment fautori dell’ipotesi HIV-AIDS, scritta da Robin A. Weiss dell’Istituto per la Ricerca sul Cancro di Londra e Harold W. Jaffe dei Centri per il Controllo della Malattia degli Stati Uniti.
Weiss e Jaffe compararono gli scettici a persone che pensano che la cattiva aria causi la malaria:
“A noi … è stato detto – loro scrissero – che il virus dell’immunodeficienza umano (HIV) si è originato nello spazio esterno, o che è stato geneticamente costruito per la guerra batteriologica, provato sui prigionieri e diffuso da essi. La proposta di P. Duesberg che l’HIV non sia assolutamente la causa dell’AIDS è, alle nostre menti, ugualmente assurda”.
Gli spettatori della giornata speciale dedicata all’AIDS dal network televisivo ABC – pressocchè l’unica occasione nella quale la televisione ha riportato la controversia – hanno visto Robert Gallo, l’esponente principale della teoria dell’ HIV, spingere via il microfono con un gesto di rabbia, quando gli fu chiesto di ribattere alle tesi di Gilbert e Duesberg.
Tali manifestazione d’ira e di ridicolo sono familiari a chi che mettono in dubbio la teoria dell’HIV sull’AIDS.
Sin dal 1984, quando Gallo annunciò la scoperta di quello che i giornali chiamano HIV, il virus che causa l’AIDS, a una conferenza stampa statale la teoria dell’HIV è stata la base di tutte le opere scientifiche sull’AIDS.
Se la teoria si sbaglia, miliardi di dollari sono stati sprecati e un danno immenso è stato fatto a persone che sono risultate positive per gli anticorpi dell’HIV ed a cui è stato detto di doversi aspettare una morte dolorosa e precoce. Le reazioni furiose al suggerimento che si sia potuto commettere un errore colossale, non sono sorprendenti, dato che la credibilità di tutto il sistema biomedico è in pericolo.
È tempo di pensare l’impensabile, comunque, perche’ ci sono almeno tre ragioni per dubitare la teoria ufficiale che l’HIV causi l’AIDS.
Dopo avere speso miliardi di dollari, i ricercatori sull’HIV sono ancora incapaci spiegare come l’ HIV, un retrovirus convenzionale con un’organizzazione genetica molto semplice riesca a danneggiare il sistema immunitario, e ancora meno sanno come fermarlo.
Lo stallo presente si contrappone drammaticamente alla fiducia espressa nel 1984.
A quel tempo Gallo pensò che il virus uccidesse direttamente le celle infettandole, e gli ufficiali statali Americani predissero che un vaccino sarebbe stato disponibile in due anni. Dieci anni più tardi nessun vaccino è in vista, e la certezza circa come il virus distrugge il sistema immune si è tramutata in confusione.
NOTA BENE: nelle affermazioni dei medici che sostengono le tesi ufficiali non vi e’ una sola risposta scientifica alle tesi di Duesberg, ma solo ironia e disprezzo (che si usano appunto in mancanza di argomentazioni valide); fra l’altro finiscono per ammettere che ci sono molte persone con l’HIV senza AIDS e molte persone con l’AIDS senza HIV, e che le teorie ufficiali non permettono di comprendere niente, per una persona che propaganda la tesi virale non c’e’ male !
“Il paziente malato di Aids NON muore a causa del virus dell’HIV ma per alterazioni dell’assorbimento intestinale e quindi per ipoalimentazione (malNutrizione), dovuta a una grave micosi.” (By Dott. Gerhard Orth, Leuthkirch)
Gli sconvolgenti documenti ufficiali, alcuni dei quali totalmente inediti in Italia, che provano la truffa dell’Hiv-Aids.
Fatti a me ben noti, da giornalista investigativo e dati per scontati gia’ nel 1983….
Frutto di 3 anni di ricerca intesa e ostacolata di un dottore italiano che, minacciato di morte, è emigrato all’estero. Facciamo girare e diffondiamo il più possibile per favore. Grazie a tutte/i.
“Hiv” e la farsa mondiale del 1 dicembre di ogni anno: Giornata mondiale del virus inesistente
Gallo US, uno dei 2 “scopritori del virus HIV, l’altro e’ il francese Luc Montagier, smentisce se stesso in tribunale in Australia…confermando tutte le affermazioni di altri eminenti ricercatori che affermano che il virus non crea-produce l’aids, anche perche’ non e’ stato mai fotografato….vedi qui i documenti: http://www.vacciniinforma.it/?p=3686
vedi: HIV e’ uno pseudovirus + L’Aids e’ realmente causato da un virus ? + HIV Virus inventato ? + Bibliografia su Aids + La dott.essa Papadopoulos e l’aids + l’aids e’ stato inventato in USA ? + I Postulati di Koch + L’altra storia dell’Aids + PDF di Luc Montagnier su AIDS ed HIV… + PDF di Gallo e lo HIV… + Hiv virus inventato
Perspectives in Biology and Medicine – Summer 1990, 33:480-500
ROBERT S. ROOTBERNSTEIN – Department of Physiology, Michigan State University, East Lansing, Michigan 48824.
“The reason for inventing a new theory is to drive us out of the hypotheses in which we hitherto have taken refuge into the state of thoroughly conscious ignorance which is the prelude to every real advance in science”. J. C. MAXWELL
Some of the most interesting questions in science are those that appear to have answers so obvious that no one thinks to ask them. Few people, for example, would doubt at this moment in time that we know the cause of the immunosuppression in AIDS. But do we? How do we know that we do? While many people will consider such methodological questions pointless (after all, virtual unanimity exists that HIV is the cause), it is nonetheless true that data can be interpreted only in light of theory, and that the same data may take on different meanings according to different theories. For example, consider data showing that a beach ball falls more slowly than a lead ball in earth’s atmosphere at sea level. Aristotle would have considered this observation to be evidence supporting the theory that heavy objects fall faster than light ones. Galileo would have denied that Aristotle was right and declared the experiment irrelevant to an understanding of falling bodies because it was not performed in a vacuum.
And a modern aeronautical engineer trained within the Galilean tradition would nonetheless find the experiment very informative – not about the law of falling bodies, but about aerodynamics. Thus, data become facts only within certain theoretical frameworks that predetermine what is to be observed and how it is to be interpreted. In the case of AIDS, we must therefore understand that when we say that HIV causes immunosuppression in AIDS, this statement presupposes a whole series of theoretical and methodological assumptions about how etiologies are established and what we mean by causation. In consequence, data showing that HIV is highly correlated with AIDS and that it infects a specific set of Tcells that are compromised in AIDS patients are insufficient to prove that HIV causes the immunosuppression in AIDS if these data can be shown to have a reasonable alternative meaning within a different theoretical framework. The question is whether such an alternative theoretical framework exists.
The history of science repeatedly demonstrates that the key to finding such alternatives clearly lies in not accepting anything at face value. Assumptions need to be questioned skeptically and systematically.
We must assure ourselves that our innate tendencies toward scientific positivism have not misled us in our theorizing by focusing our attention on what we observe rather than on what we expect to see and do not. Hypotheses must be invented that can cause us to rethink the meaning of our data or set new boundary conditions on the validity of our observations. We must search for phenomena that we may be missing by prematurely accepting the theory that HIV causes immunosuppression in AIDS.
In short, questions of methodology will be as important to defining and solving the problem of AIDS as are clinical observation and laboratory experiment. How do we know what we know? What are the limitations of that knowledge? Many physicians and biologists may find this approach questionable. Theory, after all, is not held in high esteem in the biomedical sciences.
And yet, to say that a disease agent causes a disease -that is to say, to establish an etiology- is to work as a theoretician as much as to work as an empiricist, and I believe that reference to the founders of modern germ theory -Louis Pasteur, Robert Koch, and their peers- surely verifies the point. It is, therefore, just as important to know how we justify the conclusion that a disease agent causes disease as it is to discover new disease agents.
Moreover, the adventure of searching for the unobvious and overlooked aspects of AIDS surely has the potential benefit of allowing us to examine how we know what we know about AIDS and how complete that knowledge is.
It also holds out the possibility of surprise. What if HIV cannot be demonstrated convincingly to be the cause of AIDS ?
What if as yet untested alternatives still exist despite the apparent confluence of scientific data and opinion ?
Surely, given the threat of AIDS and the billions of dollars for research being devoted to its cure, it is worth a skeptical look at the HIV theory. We cannot afford -literally, in terms of human lives, research dollars, and manpower investment- to be wrong. Unfortunately, we may be.
Most investigators believe that acquired immunodeficiency syndrome (AIDS) is caused solely by human immunodeficiency virus (HIV) [1, 2]. However, several puzzling facts cast doubt on this conclusion: about 5 percent of AIDS patients tested for HIV seroconversion never display signs of HIV infection, and less than 50 percent of all AIDS patients have been tested for seroconversion ; seroconversion may not indicate active infection but, rather, a successful immunological response to HIV, at least in some cases ; a single Tlymphotropic virus cannot explain the simultaneous immunosuppression of Tcells, natural killer cells, Bcells, and macrophages that characterizes the immune system of AIDS patients ; several other immunosuppressive viruses and bacteria are as highly correlated with the syndrome as is HIV ; Koch’s postulates have not been satisfied, nor have chimpanzees infected with HIV displayed any of the typical symptoms of AIDS ; and seroconversion following HIV exposure is so varied (anything from seroconversion after a single, unprotected sexual contact with an HIV carrier to no seroconversion after hundreds of unprotected encounters) that even HIV proponents are admitting that there must exist some “as yet unexplained biologic variation in transmissibility or susceptibility” to HIV infection .
Indeed, between 30 and 100 hemophiliacs may use the same lot of clotting factor concentrates, and yet there are no reported cases of more than one hemophiliac developing AIDS from an AIDS-donorcontaminated lot .
Furthermore, there is a logical problem that is often overlooked by uncritical HIV proponents: AIDS patients all die of previously identified diseases, not of HIV infection per se. That is why AIDS is a syndrome, not a distinct disease entity.
Thus, the putative role of HIV is solely to cause the immunosuppression that sets the stage for subsequent fatal opportunistic infections. But before we can accept HIV as the sole cause of immunosuppression characteristic of AIDS patients, it is necessary to assure ourselves that alternative explanations of the data do not exist.
After all, theories, just like experiments, need controls; for just as experimental artifacts are reproducible, so can a theory explain existing data and yet, as Aristotle’s theory of falling bodies demonstrates, still not be the best explanation. In the present context we must, therefore, before accepting HIV as the sole cause of the immunosuppression typifying AIDS, demonstrate directly that HIV actually does cause immunosuppression in animals or human beings and also assure ourselves that other immunosuppressive agents cannot explain the etiology of AIDS. In other words, we must determine that the HIV theory is necessary and sufficient to explain AIDS and that no other theory is necessary or sufficient.
Are there, for example, individuals who are immunosuppressed whose sole infection is HIV? If so, then we can assure ourselves that HIV is sufficient to cause immunosuppression. Do AIDS patients in general have any identified immunosuppressive risks other than HIV? If so, are these sufficient to explain the immunosuppression associated with AIDS in the absence of HIV, or not?
Existing data do not, as yet, allow us to establish HIV as the unequivocal cause of immunosuppression in AIDS.
No nonhuman animal other than the chimpanzee appears to be infected by HIV, and HIV-infected chimpanzees do not display longterm immunological abnormalities [6, 7]. Moreover, all AIDS patients do have multiple, wellestablished causes of immunosuppression prior to, concomitant with, subsequent to, and sometimes in the absence of, HIV infection.
These immunosuppressive agents are of seven basic types: chronic or repeated infectious diseases caused by immunosuppressive microorganisms; recreational and addictive drugs; anesthetics; antibiotics; semen components; blood; and malnutrition. While no AIDS patient is likely to encounter all of these agents, all AIDS patients encounter several.
Healthy heterosexuals and lesbians rarely encounter more than one. Therefore, the conclusion that HIV is the sole cause of immunosuppression in AIDS, and the sole factor differentiating AIDS patients from nonAIDS patients, cannot be maintained, and alternative hypotheses remain possible.
Begin by exploring a few immunological factors that have largely been overlooked or ignored in the quest to conquer AIDS.
The majority of AIDS patients are gay or bisexual men . Many habits related to their sexual preference translate into immunosuppressive risks. Receptive anal intercourse and “fisting” with multiple partners are the most significant identified risks . These forms of anal sex are often accompanied by rectal bleeding, which probably allows semen to enter the bloodstream. Thus, virtually all gay men who engage in receptive anal intercourse (but not those who are exclusively sperm ”donors”) develop antibodies to semen and sperm antigens [14, 15].
These antibodies have been shown to crossreact with Tlymphocytes , which may cause gay men to develop an autoimmune reaction against their own immune systems in which Bcells are pitted against Tcells.
Moreover, semen and sperm contain agents that are, in and of themselves, immunosuppressive and act to protect sperm from vaginal and cervical lymphocytes during heterosexual sex [17, 18]. Thus, immunological contact with semen has multiple immunosuppressive effects.
Another immunosuppressive risk factor associated with gay men is abuse of amyl and butyl nitrites as vasodilators and muscle relaxants in order to facilitate anal intercourse and to increase sexual response .
Subchronic inhalations of extremely low doses of these volatile nitrites are not immunotoxic but do cause degeneration of the thymus in experimental animals . Acute high doses more akin to those encountered in human use cause natural killer cell suppression and the abnormally low helper T-suppressor T ratio of lymphocytes typical of AIDS patients .
Since as much as tenthmillimolar concentrations of nitrites have been observed in the blood of some abusers , it is probable that the highdose results are more representative of nitrite immunotoxicity in habitual and highdose acute users.
Many gay men, particularly promiscuous ones, also tend to abuse antibiotics, apparently as a prophylactic or remedial measure against repeated sexually transmitted diseases . Chronic treatment with most antibiotics causes Tcell immunosuppression [24, 25], possibly by depleting trace elements such as zinc, which is an essential cofactor for enzymes controlling lymphocyte cloning . Gay men typically have unusually low zinc and selenium serum levels and abnormally high copper levels as compared with heterosexual men and women and lesbians [23, 29].
Antibiotics and nitrites taken together represent yet another risk: nitrites convert virtually all commonly used antibiotics, including penicillin, ampicillin, and tetracycline, into potent carcinogens  and produce other mutagenic nitrosation products in blood . Given the high concentrations of both compounds that may be present simultaneously, particularly in patients being treated repeatedly for sexually transmitted diseases, the reactions producing these carcinogens become likely.
It has been suggested that nitrite use is correlated with incidence of Kaposi’s sarcoma in gay men , and perhaps the combination of nitrites with antibiotics is a causative agent. (One recent study failed to find any evidence of HIV or hepatitis B viral DNA in Kaposi’s sarcoma tumors from AIDS patients and isolated cytomegalovirus DNA from only two of 13 tumors.
On the other hand, they were able to demonstrate polyclonal karyotypic rearrangements within Kaposi’s cells, arguing for a nonviral mechanism of DNA disruption .) The same mechanism would operate in heterosexuals who abuse nitrites and antibiotics simultaneously.
Another risk factor for AIDS that is common to most patients is the presence of multiple, concurrent infections. Several viral diseases are as highly correlated with AIDS as is HIV: hepatitis B virus, herpes simplex virus (HSV), cytomegalovirus (CMV), and EpsteinBarr virus (EBV). Herpes simplex virus, CMV, and EBV are all known to reduce the helper Tcell (T4):suppressor Tcell (T8) ratio that typifies the AIDS patient’s immune system , and one type of herpes virus has been shown to act symbiotically to increase the cytocidal effects of HIV .
Both hepatitis and cytomegalovirus were present in unusual proportions of highrisk populations before the recognition of AIDS .
Chronic or repeated diseases carry other immunosuppressive risks both in and of themselves or owing to chronic antibiotic treatment. Both acute and chronic hepatitis infections have been shown to adversely affect cellmediated immune functions . EpsteinBarr virus, CMV, influenza virus, and various bacterial diseases including chronic syphilis and tuberculosis, are known to adversely affect Bcell and macrophage function [38, 39, 46], and the World Health Organization lists genital ulcer disease caused by HSV and Treponema pallidum as risk factors in AIDS .
Homosexual and bisexual men often suffer from repeated fungal and amoebal infections of the lower intestine (“gay bowel”), which was recognized prior to AIDS . Lymphadenopathy also increased significantly in gay males in the decade before the recognition of AIDS . All of these phenomena are evidence that multiple infections preceded the recognition of AIDS in highrisk groups and led to observed immunological abnormalities.
Intravenous drug abuse is the secondhighest risk factor associated with AIDS. Intravenous drug abuse has been known to be immunosuppressive since the early 1970s  and has been linked for at least 2 decades to susceptibility to unusual infections and neoplasms , including CMV infection  and multifocal, disseminated tuberculosis , both of which are symptoms of AIDS . Moreover, heroin and morphine have been demonstrated to cause immunosuppression of Tlymphocytes both by indirect, brainmediated pathways [55, 56] and by direct action on the lymphocytes themselves .
One study of heroin addicts conducted in 1982  found that all had significantly depressed Erosette formation, which is highly correlated with clinical immunosuppression . The longer the period of addiction, the greater the effect on Tlymphocyte activity. Moreover, as of 1982, 24 percent had T4:T8 ratios typical of AIDS patients, although retesting of these individuals in 1985 showed that only 12 percent were HIV positive . It may be presumed that the incidence of HIV among this group was significantly lower than 12 percent in 1982 and, therefore, that profound immunosuppression preceded HIV infection.
In the same vein, clinicians have reported generalized lymphadenopathy, low-grade fevers, night sweats, Roth spots, and other symptoms typical of AIDS and preAIDS among heroin addicts for several decades .
Drug abusers also have other immunological risks. Like gay men, they are very likely to transmit a wide variety of immunosuppressive disease agents, including hepatitis, CMV , and EBV when they share needles.
They are very often malnourished [63, 64], and chronic malnourishment is perhaps the oldest known and most frequent cause of immunosuppression [65, 66]. It is perhaps significant that the most frequent disease concomitant of AIDS in drug abusers is Pneumocystis pneumonia and that all major outbreaks of this pneumonia since World War 11 have been linked directly to malnutrition [67, 68]. Also noteworthy is the fact that weight loss and anorexia are frequent concomitants of AIDS in all risk groups, and that AIDS patients in general display nutrient insufficiencies that are manifested in significantly low levels of zinc and selenium [23, 29].
Deficiencies of each are known to cause immunosuppression in man and experimental animals [2628, 6971].
Intravenous drug abusers also share an immunosuppressive risk factor with hemophiliacs and blood transfusion recipients: they receive other people’s blood. I am unable to find any data concerning the immunological effects of small doses of untyped blood such as drug abusers might encounter repeatedly by sharing needles; however, it is a wellestablished principle of immunology that repeated injections of very small amounts of almost any antigen eventually result in suppression of the immune response . (given that these small, repeated blood injections will include a proportion of leukocytes, it is likely that immunosuppression to various HLA types will eventually occur. This mechanism of immunosuppression has previously been suggested for semen, which also contains small numbers of leukocytes .
AntiHLA alloimmunization has already been observed in multiply transfused patients [74, 75]. Repeated use of anticlotting factors results in abnormal suppressor: helper Tcell ratios even among otherwise healthy hemophiliacs and even in countries like Australia, in which HIV is virtually nonexistent . Almost every hemophiliac also contracts hepatitis  and presumably various other viral agents that are transmissible in blood, such as CMV and EBV [80, 81]. Moreover, it has been established that even properly typed blood causes profound immunosuppression [79, 8284]. Physicians have known for over a decade that blood transfusions depress the immune response effectively enough to facilitate the acceptance of organ transplants and to increase significantly the risk of death from cancer . This immunosuppression is dose related, and it is therefore significant that the average transfusionrelated AIDS patient receives blood from 16 to 21 donors – five or more times that of the average surgery patient (a statistically significant difference) [90, 91]. Although the exact mechanism of transfusion induced immunosuppression is unknown, Tcells are certainly a primary target, and Bcells and macrophages are also involved. Thus, recent studies show that anyone receiving multiple transfusions or bloodderived products such as clotting agents – hemophiliacs, those with sicklecell anemia , trauma patients , and surgery patients - are at high risk for developing the lymphadenopathy, low helper Tcell: suppressor Tcell ratio, and low-grade fever associated with AlDSrelatedcomplex (ARC,). These symptoms generally precede HIV seroconversion.
Sketchy data also indicate that the rate of blood transfusions among gay men is significantly higher than among heterosexual men and women and lesbians . The cause is unknown. One possibility is that, since amyl and butyl nitrites are known to cause methemoglobinemia (accounting for between 20 and 70 percent of hemoglobin in some abusers ), and in some cases it has been severe enough to warrant transfusion , they may be the indirect cause. Fisting can also lead to complications requiring surgery .
Patients who require multiple blood transfusions incur additional immunosuppressive risks. They are on the operating table an unusually long time. Surgical trauma is, itself, immunodepressive [94, 95]. So are anesthetics. The effects of anesthetics are dose related; and some of their actions on Tcells, Bcells, and macrophages can last for a month [97, 98].
Most major surgical patients are given prophylactic doses of antibiotics and placed on narcotic painkillers like morphine or one of its derivatives as well, which are again immunosuppressive. If, on top of this, the blood they have received is contaminated with any immunosuppressive viruses, such as EBV or CMV, for which screening has only recently been initiated, further immunosuppression may ensue.
The more blood they receive, the more likely they are to incur such an infection.
Thus far, every group at high risk for AIDS has been demonstrated to have multiple immunosuppressive risks other than HIV-save for one group: pediatric AIDS cases. These cases are of particular importance, since they are often cited as some of the best evidence that HIV alone is sufficient to cause AIDS. Anthony Fauci, for example, has disparaged lifestyle theories of AIDS by asking what possible risky behaviors a newborn infant could indulge in .
Also, it is considered significant bv many investigators that HlVinfected mothers who show no clinical symptoms of AIDS nonetheless give birth to children who develop AIDS during the first years of life .
The inference that is often drawn from these data is that HIV is the only immunosuppressive risk associated with these infants and thus must be the sole cause of their immunosuppression. In fact, the mother transfers all of her lifestyle risks to the fetus and newborn.
Of the 1,346 AIDS patients under the age of 13 years who were reported to the CDC as of December 31, 1988, 78 percent acquired an HIV infection perinatally, 13 percent from blood transfusions, and 6 percent from blood products used to treat hemophilia. Four percent had no known risk. Sexual abuse and intravenous drug abuse are thought to account for many of the patients without known risk .
Among perinatally acquired cases, 73 percent of the mothers have intravenous drug abuse as a risk factor, 7 percent are sexually active with an AIDS or ARC patient, 2 percent acquired HIV infection through blood transfusion, 11 percent are from a country such as Haiti or Uganda in which heterosexual transmission of AIDS (as well as malnutrition and multiple chronic infection) is common, and no data are available for 7 percent . All mothers of AIDS infants for whole immunological data are available have immunological abnormalities , which undoubtedly put the infant at increased risk for opportunistic infections during the 3 months during which its own immune system becomes functional. In addition to passively acquired immune abnormalities, the majority of infants contracting AIDS are of unusually low birth weight and have unusually small head circumference; many suffer from hepatosplenomegaly; most are premature; and like all very lowbirthweight, microcephalic, and preterm babies, they are immunologically immature and at higher risk for infections of all kinds [100102, 104].
All of these symptoms were found to be typical of infants of intravenous drug abusers a decade or more before AIDS was first diagnosed .
Most AIDS infants not only have HIV infections but also must be treated for one or more of the following: sexually transmitted diseases, CMV, hepatitis, and a variety of other infectious diseases acquired from their mothers [100 102, 104].
Moreover, each maternal risk factor translates into an immunosuppressive risk for the child: the child, too, is immunosuppressed by intravenous drug abuse; premature birth is highly correlated with multiple or chronic maternal infections (often sexually transmitted diseases), causing lymphocytes to release prostaglandins, which in turn stimulate uterine contractions ; the highest correlate for lowbirthweight infants and infants with small head circumference is malnutrition in the mother, which often translates into malnutrition for the infant [105, 109, 110]; malnutrition and AIDS are both correlated with unusually low levels of serum selenium and zinc which lead to immunosuppression [2629, 111112]; and maternal zincaemia can also result in failure of immune development in breastfed infants who acquired a nutritional zinc deficit through the milk .
Thus, maternal immunodeficiencies, malnutrition, drug abuse, and infections can all play a role in determining the immune status of the infant:
AIDS infants, like all other AIDS patients, therefore have multiple sources of immunosuppression.
It is also important to note that two caveats are in order in evaluating the data concerning infant AIDS.
The most recent reports indicate that HIV seropositivity should not be used uncritically (as it has been in the past) as a marker for infant AIDS, since many HlVseropositive infants have been shown to acquire seropositivity lasting up to 24 months through their mothers’ milk and in the absence of either pre or perinatal HIV infection .
Thus, some previously reported cases of infant AIDS might not now qualify as AIDS cases. This is very important since a significant number of HIVseropositive mothers have given birth to healthy children, and some HlVseropositive children never develop any symptoms of ARC or AIDS [100102, 104]. Both observations argue against HIV as a sufficient cause of AIDS.
It is also important to note that two caveats are in order in evaluating the data concerning infant AIDS.
The most recent reports indicate that HIV seropositivity should not be used uncritically (as it has been in the past) as a marker for infant AIDS, since many HlVseropositive infants have been shown to acquire seropositivity lasting up to 24 months through their mothers’ milk and in the absence of either pre or perinatal HIV infection . Thus, some previously reported cases of infant AIDS might not now qualify as AIDS cases.
This is very important since a significant number of HIVseropositive mothers have given birth to healthy children, and some HlVseropositive children never develop any symptoms of ARC or AIDS [100102, 104]. Both observations argue against HIV as a sufficient cause of AIDS.
Much is also made by some investigators of the fact that many HIVinfected mothers of AIDS infants do not, themselves, show AIDSrelated symptomatology during pregnancy. It is important to stress that all do show immunological abnormalities, and the majority do go on to develop AIDS or ARC [100 102]. It should therefore be considered whether pregnancy has some shortterm prophylactic action on AIDS development similar to the delay in immunological response to fetal antigens such as Rh factor. This observation could be of use in developing a treatment for AIDS if the effect is real and if its cause can be isolated.
So, it appears that acquired immunosuppression can be acquired in many ways, and that HIV is, at best, only one of many immunosuppressive factors encountered by all AIDS patients. Moreover, some of these immunosuppressive factors may help to explain aspects of AIDS that the HIV theory leaves murky.
Unlike HIV, which in vitro has very specific effects only on a particular subset of Tlymphocytes, most of the immunosuppressive factors just listed affect the T4:T8 ratio and other Tcell subsets, Bcells, and macrophages. These broader immunosuppressive effects explain the clinical and immunological picture of AIDS in ways in which retroviral infection of a single set of Tcells cannot . since AIDS patients eventually display abnormalities of virtually all lymphocyte activities.
Moreover, all AIDS patients encounter these nonHIV immunosuppressive factors repeatedly before, during, and after HIV infection and, notably, sometimes in the absence of HIV infection.
The greater the number of these immunosuppressive factors encountered by a patient, and the more prolonged their exposure to them, the greater the risk of developing AIDS. Logically, then, HIV cannot be singled out as the sole cause of acquired immunosuppression in AIDS.
At this point, we must, it seems to me, elaborate possibilities and determine how they can be compared and tested. Several alternative hypotheses for AIDS etiology must therefore be considered: HIV may cause AIDS only in people previously, concomitantly, or subsequently immunosuppressed by other agents; HIV may not cause AIDS at all but be merely another, difficulttoacquire, opportunistic organism that accompanies AIDS (this would make HIV no more than a marker infection indicating previous immunosuppression ); AIDS may have several distinct etiologies and HIV may or may not be one; or HIV may be necessary to development of AIDS, but these other immunosuppressive agents determine the time course and specific disease symptoms that an individual patient displays.
The last hypothesis bears particular consideration, since one of the characteristics of AIDS that cannot be explained by an exclusive HIV etiology is the fact that different risk groups contract different opportunistic diseases: Kaposi’s sarcoma and chronic candidiasis are largely limited to gay men, whereas drug abusers have a significantly higher incidence of Pneumocystis pneumonia . While basic immunology leads one to expect that different immunosuppressive agents will result in the suppression of different Iymphocyte specificities, thus exposing individuals in different risk groups to different opportunistic diseases, a single immunosuppressive agent as HIV cannot explain why AIDS has different manifestations in different individuals.
The possibility that HIV is not sufficient to induce AIDS is further supported by data on the incidence of AIDS among healthcare workers and laboratory researchers who handle HlVcontaminated material.
The CDC figures show that, of several thousand reported cases of needle sticks, cuts, and other contaminations, only 5 percent have developed HIV seropositivity; and of these, only one individual lacking other identified risk factors has thus far developed AIDS [116, 117]. Since identification of risk requires personal testimony, we can never be sure that a lack of identified risk does not mean simply a lack of candor on the part of the patient, so that this one case may or may not be significant.
Certainly it is significant that so few healthcare and laboratory workers having subcutaneous contact with HIV have even developed antibody. One possible interpretation of these data are that people with healthy immune systems are as safe from HIV as from the other opportunistic diseases, such as Kaposi’s sarcoma or Pneumocystis pneumonia, that characterize AIDS.
Other data seem to support this interpretation. Of four women identified as having been artificially inseminated with HIVcontaminated semen before 1984, all are currently healthy, as are their children and spouses .
These data suggest that contact with HIV, and even outright HIV infection, is insufficient to induce AIDS in some (if not most) cases [6, 7, 63, 115].
Alternative hypotheses must therefore be entertained and seriously investigated. These alternative hypotheses may be differentiated on the basis of several sorts of experimental tests. Animals may be pretreated with repeated small doses of untyped blood, multiple transfusions, drugs, anesthetics, antibiotics, semen components, malnutrition, and chronic infections, either singly or in various combinations and over varying periods of time, and then exposed to the various infectious agents that typify AIDS: CMV, Pneumocystis carinii, and so forth.
Since most healthy animals have already been shown to be resistant to these disease agents unless previously chemically immunosuppressed [67, 119122]-that is, after all, why they are known as opportunistic- infection would indicate the sort of profound immunosuppression characteristic of AIDS; HIV would then be demonstrated to be unnecessary for AIDS induction.
The possibility that the time course of AIDS is affected by nonHIV immunosuppressive agents, or that HIV is necessary to AIDS induction but requires concomitant immunosuppression to become pathogenic, can be tested in chimpanzees with the same strategy but combining the immunosuppressive regimens with prior, concomitant, or postHIV infection.
The success of any of these experiments would suffice to produce a natural animal model for the various marker diseases characteristic of AIDS, thus satisfying Koch’s postulates. Success of any experimental protocol would also provide strong support for one or more of the hypotheses suggested above, while their constant failure could bolster the notion that AIDS is caused solely by HIV or indicate that still further hypotheses are needed.
We must also consider some of the possible implications of these various hypotheses. These implications can aid hypothesis testing. If HIV is not the sole cause of immunosuppression in AIDS, then it follows that HIV seroconversion may not be, in and of itself, an indicator of incipient AIDS. Only in the ongoing presence of the other immunosuppressive agents listed above would HIV positivity indicate incipient AIDS. Alternatively, the rate at which HIV infection develops into AIDS may be determined by the degree to which individuals are acted upon by these other agents. Seropositive individuals who lack these other risk factors, or who alter their behavior to eliminate these ongoing immunosuppressive factors from their lifestyle, may have a much higher probability of remaining healthy, or remain healthy longer, than those individuals who repeatedly engage in risky behaviors. Retrospective or prospective studies of existing cases might be able to validate or falsify this possibility.
Certainly, such a hypothesis would allow the huge variation in HIV infectivity and the everincreasing period from HIV seroconversion to active AIDS to be explained. If so, behavior modification techniques such as those used to treat alcohol and nicotine addiction might be of benefit for those patients at high risk for AIDS. Nutritional counseling, alternative drug regimens, and nonsurgical approaches to disease treatment may turn out to be as effective as antiviral drugs or vaccinations.
Another implication of the hypotheses elaborated above is that new types of information will have to be gathered in new ways if they are to be tested adequately. What you discover is determined by how and when you look.
Thus, physicians will need to alter the way in which they gather information from AIDS patients and the types of questions they ask. We can no longer rely on the pediatrician to evaluate the newborn infant infected with HIV-we must collaborate with the obstetrician infant family practitioner to gather a complete picture of the previous health care and habits of the entire AIDS family if we are to reveal the risk factors that may have brought about the infant’s immunosuppression.
It will no longer be sufficient to collect merely a sexual history of each patient-drug use, eating habits, and a complete medical history will he essential, including a history of all medications and hospital procedures. Nor can we rely on verbal questions and answers to identify risks. Tests for drug use, zinc and copper levels, anemia, vitamin deficiencies, proteincalorie deprivation, and other measures of nutritional and drugrelated metabolic imbalances will have to become more common and our understanding of their affects on the immune system broadened and applied more cogently to discussions of AIDS.
One final set of implications must also be explored (although space does not permit a full discussion of them here), and these concern why AIDS has emerged as an apparently new phenomenon during the 1980s when the immunosuppressive factors listed have existed, in some cases, for centuries. Suffice it to say that a significant number of cases fitting the preHIV definition of AIDS (1987) do exist in the literature for at least 100 years before 1980 (a few of which have been cited here [53, 54, 123, 124]); intravenous drug abuse, nitrite use, and promiscuous homosexual activity all increased dramatically during the 1970s; and techniques of diagnosis for many rare, opportunistic diseases, such as Pneumocystis pneumonia, in living patients became available only during the 1970s. Finally, the likelihood of infection with the rare opportunistic diseases that constitute AIDS has become probable only since the widespread use of antibiotics and vaccines in the past few decades has allowed immunosuppressed patients to survive previously more prevalent diseases (tuberculosis, smallpox, typhus, typhoid, etc.) that undoubtedly killed such patients in the past. The evidence for these assertions will form the basis of a forthcoming paper.
Let me be clear, in concluding, about just what I am and am not arguing. I am arguing that premature closure of inquiry lays us open to the risk of making a colossal blunder by assuming that the first reasonable answer we achieve is in fact the best answer. It may be; then again, it may not. I am arguing further that, because the standard criteria for establishing etiologies have not been satisfied for AIDS, it is premature to conclude that HIV is “the” cause of immunosuppression in AIDS [57, 63, 115, 125]. Correlations between HIV and AIDS are not sufficient to establish the etiology of AIDS because too many other immunosuppressive agents are also correlated with AIDS and because no AIDS patient has only HIV as his or her sole risk factor. Koch’s postulates must be met or some other direct form of experimental proof of disease causation provided.
I am not arguing that HIV cannot cause immunosuppression in AIDS-it may, and some of the experiments suggested above may help to prove that-but the assertion that HIV is the sole or even the primary cause of the immunosuppression in AIDS needs to be demonstrated by direct experiment, not argued by correlation or assumption.
And I am not arguing that we should abandon research on HIV-only that we should investigate other possible modes of immunosuppression that are associated with AIDS as possible causative factors or potentiating agents until such time as these have been demonstrated conclusively either to influence the course of AIDS or not.
And if it turns out that all of the tests of alternative theories of AIDS etiology are negative, then what? Nothing could be more important, for then we will have a much firmer basis upon which to conclude that HIV is the sole cause of AIDS-something that we do not have now. These alternative theories will become the controls for the HIV theory, tested, elaborated, and, if the data so dictate, discarded. Yet the process of testing these alternatives is far from useless.
It is in the nature of research that, for every correct theory, dozens of others must be tried and abandoned along the way.
For, just as in the evolution of new species by natural selection of random genetic variations, these abandoned theories are a necessary part of the process without which there would be no way to know that the most adaptive possibility was selected . Alternatives-especially unlikely alternatives that cause us to question assumptions and to rethink dogmatic assertions-need to be propounded and tested before we can be sure that our preconceptions have not blinded us to the unexpected. Nature is full of surprises. and the purpose of doing research is to search for them .
Thus, the question of AIDS etiology must be kept open a bit longer while we assure ourselves that no surprises still await us.
I therefore ask, and ask quite seriously, “Do we know the cause(s) of AIDS ?”
I believe that we all stand to gain new insights and deeper knowledge of AIDS if we take the question of causation seriously and realize that theory and methodology will be as important to understanding this syndrome as data.
We must therefore heed not only what fits our cherished beliefs about AIDS, but data that do not , and alternative hypotheses  that challenge our assumptions. These are the crucibles of science.*
This research was not funded. The author expresses gratitude to Peter Duesberg, Scott Gilbert, Walter Gilbert, Mott Greene, Jonas Salk, Fred C. Westall, Michele RootBernstein, and Arnold Seid for their contributions
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