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Read 'What we know about AIDS' from Nathan Geffen's 'Debunking Delusions' here

01 February 2011

What we know about AIDS explains the essential science of HIV succinctly and clearly. It was originally published as a chapter in Debunking Delusions by Nathan Geffen. With the permission of the author, Nathan Geffen, and the book's publisher, Jacana, we are now releasing this chapter under the Creative Commons Share-Alike 3.0 Unported license. Please feel free to copy and distribute it. You are also allowed to modify it under the terms of the license. Debunking Delusions can be purchased online from and

Another myth debunked: HIV is a harmless passenger virus

17 December 2009

Fact: Studies in vitro, ex vivo and in vivo all support HIV's ability to deplete CD4+ T-cells.

There are some denialists that argue that HIV does exist but that it is merely a harmless passenger virus and that no evidence exists to claim otherwise. In fact, there are thousands of studies that support the cytopathic properties of HIV. While some aspects of how HIV destroys cells that are not fully understood, that it does so it beyond doubt. This is not unique to HIV, of course, as the effects of many diseases are known despite the mechanisms not being completely elucidated. Some of what is known (and supporting evidence will be cited) is the documented here. Since there are literally thousands upon thousands of papers on HIV, a representative few are cited here. This is by no means an exhaustive list.

Evidence shows us that AIDS the CD4+ T-cell depletion is due to HIV. This can be observed 1) in vitro (in cell cultures), 2) ex vivo (in tissues removed from animal models or patients), and 3) in vivo both in animal models and in infected individuals.

Read the full debunking here.

View the list of myths we debunk here. Read more »

Another myth debunked: HIV tests are unreliable and frequently produce false positives

01 August 2009

Fact: HIV tests for antibodies or the virus itself are highly reliable (both in terms of sensitivity and specificity).

There are two important measures when considering the accuracy of an HIV test or any screening or diagnostic test: sensitivity and specificity.

HIV Rapid TestTwo different HIV rapid tests both showing a positive result

Sensitivity is a measure of how likely it is that the test will return positive results if the person being tested has HIV. A highly sensitive test is calibrated to capture every positive sample, but will probably produce some false positives because it is so sensitive that may react to other substances as well.

Specificity is a measure of how likely it is that the test will return negative results if the person being tested does not have HIV. A highly specific test will only react to the substance being tested for and exclude all true negatives, but it will also produce false negatives.

Read the full debunking on the myths page. Read more »

Another myth debunked: HIV can be detected post-mortem

09 March 2009

In the light of recent developments, we have addressed the myth that HIV cannot be detected post-mortem on our Debunking denialist myths page.

Myth #15: HIV cannot be detected post-mortem

HIV can be detected post-mortem with a high degree of accuracy. This is very important because deceased tissue donors need to be tested to ensure that tissue recipients are not infected with HIV. See:

Welcome to the new

06 May 2008

This website presents the scientific evidence that HIV is the cause of AIDS and that benefits of antiretroviral drugs (ARVs) outweigh the risks. The website was created by research scientists and community advocates engaged in the worldwide struggle against HIV/AIDS. Read more about AIDSTruth.

As you can see, we have updated the design and layout of Please let us know if any of the links on the site do not work.

House of Numbers

An AIDS denialist film "House of Numbers" is doing the rounds at film festivals and is being promoted to college campuses and similar venues. AT has published several items about the misinformation contained in the film. For comprehensive information on the lies and distortions in the film, visit Inside House of Numbers.


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