>> If the polio vaccine was responsible for the development of AIDS, then why do only gays have AIDS (or people whose dentist was gay or tainted blood transfusion, etc)?<<
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ANSWERS BELOW, after a little background.
AIDS was created (medical accident) by a massive trial in the Belgian Congo in 1957 of an experimental polio vaccine created by the American microbiologist Hilary Koprowski.
Koprowski got permission from the WHO (who actually recommended testing the drug in a third-world country), Belgium (colonial power) and tribal leaders to test over 1 million doses.
Unfortunately, he cultured a significant portion of his vaccine on chimpanzee kidneys (denied of course now, but proven by strong circumstantial evidence). The Simian Immunodefficiency Virus (SIV) was transmitted in the vaccine to humans, in some of whom it mutated to HIV.
HIV is proven by genetics to be derived from this chimpanzee SIV.
NOW, TO ANSWER YOUR QUESTIONS:
1. AIDS must be transmitted to the bloodstream—not by ingestion or through the air.
2. The vector of transmission is blood or semen of an infected person ... or the virus itself in the case of a contaminated vaccine—if it can reach the bloodstream.
3. Gay people get AIDS due to the likelihood of an opening to the bloodstream occurring in gay sex and being exposed to semen. (I won’t get more explicit, but it’s what you think. Far less likely for women to be infected in normal sex, even if partner is infected.)
4. Newborns can also get AIDS from an infected mother during passage through the birth canal (not in milk).
5. Koprowski’s contaminated polio vaccine was squirted into the mouths of the African villagers—INCLUDING MANY THOUSANDS OF TEETHING INFANTS (i.e., with oral access to their bloodstream)
6. The AIDS epidemic first appeared about 20 years later, in central Africa, after the mutation and incubation period of the disease in some of those who received the vaccine.
This is all detailed in an utterly fascinating and extremely well documented book, The River, by Edward Hooper.
https://www.amazon.com/River-Journey-Source-HIV-AIDS/dp/0316372617
Indeed, there are some very good documentary videos here about this, and think about them continuing to use the same Simian blood plasma that was infected and replicated in vaccines today
https://www.youtube.com/watch?v=Uq9gRYdxFm8
https://www.youtube.com/watch?v=Q8M3HOqOAdU
Be prepared, I got pretty damned angry when I went deep inti this aspect
Semper Fi!