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jul 29, 1921 - HIV/AIDS

Description:

This is the declared real date of the emergence of HIV in humans. It is suspected that HIV made it's jump to the human population from primates. The cut-hunter hypothesis states that people hunted bushmeat in which blood from the primate got into a cut of a person.

Added to timeline:

Date:

jul 29, 1921
Now
~ 104 years ago