Great question — answering as the UphillTech team:
The evidence: Jenny says she has a virus, but doctors don't know what it is or how to treat it. Jenny: Forrest, I'm sick. Forrest: What, do you have a cough due to cold? Jenny: I have some virus , and the doctors, they don't know what it is , and there isn't anything they can do about it . It is now thought that people were infected with AIDS as early as the 1920s, and the current epidemic began in the '70s, but it wasn't recognized until 1980-1981: It is widely believed that HIV originated in Kinshasa, in the Democratic Republic of Congo around 1920 when HIV crossed species from chimpanzees to humans. Up until the 1980s, we do not know how many people developed HIV or AIDS. HIV was unknown...
Full answer by Wad Cheber: https://movies.stackexchange.com/a/53795 (CC BY-SA 4.0).
Need it done for your business? UphillTech.