HIV was identified in the U.S. around what year?*2 points199019801960None of the above

HIV most likely originated on which continent?Multiple choice question.AfricaSouth AmericaAsiaNorth America

Although the virus probably existed much earlier, the first direct evidence of HIV infection in humans is from blood samples that were obtained from patients in the Blank______.Multiple choice question.1930s1950s1970s1990s

HIV is thought to have originated from   *2 pointsBirdsMosquitosChimpanzeesNone of the above

It is generally accepted that HIV originated in the continent of .

Which region of the world has the greatest number of people living with HIV?Multiple ChoiceLatin AmericaEastern and Southern AfricaAsia and the PacificNorth America