Have you seen this:

THE DEADZONE - PLAGUE (Season 2, Episode 14 - 2003)

It has Chloroquine as the treatment for the virus!!

Look at the date 13 July 2003.

Check the names of the other episodes.

Actor plays Bill Gates in "Pirates of Silicon Valley" (1999)

Look at the date.

https://www.youtube.com/watch?v=jY6-HvE5YdU

https://www.youtube.com/watch?v=v6cfIB-YFug