A Timeline of South Korea's Response to COVID-19
NFL and NBA lead new Covid outbreaks in sports
NFL testing new protective face masks with surgical or N95 material - ESPN
Implementation and Evolution of Mitigation Measures, Testing, and Contact Tracing in the National Football League, August 9–November 21, 2020
COVID outbreaks hit workplaces, schools across California - Los Angeles Times
Masks required for players on sidelines as NFL enhances COVID-19 protocols, NFL News
Coronavirus: Covid News: C.D.C. Is Set to Ease Guidance for Wearing Masks Indoors - The New York Times
Latest NFL rules on COVID, fan vaccinations and positive cases – NBC Sports Chicago
There's no sign of widespread COVID-19 mandates in the US. Republicans are warning of them anyway
Pantyhose? Toilet paper? Coffee filters? Which materials make the best masks to stop the coronavirus? - Northeastern Global News
NFL mandates postgame mask use for players in latest COVID-19 tweak
NFL is testing face masks that contain surgical or N95 material - The Washington Post