This episode of Frontline does a really good job of walking through the timeline of what was discovered and when, and how long they sat on that information befo

This episode of Frontline does a really good job of walking through the timeline of what was discovered and when, and how long they sat on that information before taking action. https://www.pbs.org/wgbh/frontline/film/chinas-covid-secrets/ https://www.pbs.org/wgbh/frontline/film/chinas-covid-secrets...