Answer ( 1 )

  1. How did the disease of AIDS come about?

    Current thinking is that the AIDS caused by HIV (Human Immunodeficiency Virus) emerged from SIV (Simian Immunodeficiency Virus).

    Monkeys have SIV and sometimes die of it. Human were hunting monkeys and slaughtering them for food because proteins are difficult to get. In process, they were scratched and bitten by monkeys. It seems that at some stage SIV evolved and became HIV.

    People were testing old blood samples and found HIV.

    AIDS spread in developed world happened somewhere around 1979. It’s not quite sure how and why. There is a “great” conspiracy theory about that claiming that infected vaccines did the “spreading”. It was nicely described in the book The River.

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