This might sound stupid but homosexuality has been around since the beginning of time. Where did aids come from after centuries.
This might sound stupid but homosexuality has been around since the beginning of time. Where did aids come from after centuries.
The first documented case of human ebola was in 1976. SARS-CoV-2 was not documented in humans until 2019. Immunodeficiency viruses have existed for tens of thousands of years, but viruses don't always cross species easily, and if there's little opportunity for exposure, then it just takes...
...millennia to before a virus is able to not only infect a new species, but transmit from that species. As for why then? Well then is just when it was documented, not when it happened necessarily, but if you think about what happened about, 20-30 years before that? A post war boom, economic...
... prosperity, vaccines for some of the deadliest diseases we had encountered thus far, people needed places to live and food. We went from rolling the dye once a decade, to rolling 1,000 dice a day.