The NFL has updated its Covid protocols as the virus disrupts game schedules
Changing the COVID rules will help the NFL on the field, but will it be safe for players? - The Boston Globe
NFL updates protocols in response to COVID-19 cases
NFL Health and Safety Fact Sheet
NFL fines quarterback Aaron Rodgers, Packers over coronavirus protocols : Coronavirus Updates : NPR
NFL Suspends All COVID-19 Protocols for the 2022 Season
Tua Tagovailoa's head injury puts NFL concussion protocol under scrutiny - The Washington Post
Coronavirus Updates : NPR
NFL Overhauls Covid Rules to Tame Outbreaks—and Get Players Back Faster - WSJ