NFL, NFLPA Must Agree on Additional Coronavirus Protocols Soon - Sports Illustrated
San Francisco 49ers not allowed to play in stadium for 3 weeks under new COVID-19 restrictions - ABC News
NFL COVID-19 protocol changes, Week 15 postponed games, new testing and return-to-play rules - Can the NFL navigate the omicron variant? - ESPN
NFL updates protocols in response to COVID-19 cases
Even In A Pandemic, The NFL Is Ready To Dominate The Sports Landscape : NPR
N.F.L. Revises Covid Protocols After Over 90 Players Get Virus - The New York Times
Coronavirus risk chart assessment: Ranking activities
NFL Concussions: The 2012-13 Season In Review
Raiders' Garoppolo is in concussion protocol, putting his start for game in question - ABC News
NFL suspends all COVID protocols, cites 'encouraging trends'
How NFL players are handling the league's intensive protocols for COVID-19 - Sports Illustrated
Updates on COVID-19 in Indiana: 228 cases, 16 deaths added to state's totals