A resurgent Covid-19 is breaking through the strictest protocols and upending the return of live professional sports
Minnesota Vikings linebacker Cameron Smith recovering from open heart surgery for birth defect found due to COVID-19 - ABC News
NFL reschedules 3 games as new wave of Covid sidelines dozens of players
Timeline of the NFL COVID-19 outbreak -- How positive tests led to postponed games - ESPN
COVID-19 pandemic in the United States - Wikipedia
Texas A&M backs out of Gator Bowl after Covid outbreak leaves team without enough players
3 NFL games moved due to COVID-19 outbreaks
Timeline of the NFL COVID-19 outbreak -- How positive tests led to postponed games - ESPN
COVID-19 Absences Affect NFL Outcomes - Johns Hopkins Coronavirus Resource Center
Seahawks-Rams among 3 games moved due to COVID-19 outbreaks - The Columbian
COVID-19 updates: Record 96 NFL players test positive
NFL coronavirus: Expect games to continue despite Covid-19 outbreaks