[1] https://www.fda.gov/drugs/news-events-human-drugs/fda-approv...
[2] https://www.independent.co.uk/news/science/bill-gates-smallp...
The articles on this are very clickbaity. Bill Gates did not warn of a small pox attack. He used it as an extreme example of bio warfare which the world can prepare against through investing more in desease & epidemic research.
Relevant @ 28:49
[1] https://www.fda.gov/drugs/news-events-human-drugs/fda-approv...
[2] https://www.independent.co.uk/news/science/bill-gates-smallp...