N.F.L. Adds New Covid-19 Protocols to Keep Season on Track - The
The Lancet Commission on lessons for the future from the COVID-19
Fans to be required to show proof of vaccination or negative COVID
The territorial impact of COVID-19: Managing the crisis across
NFL, NFLPA agree to modify COVID-19 protocols, cutting standard
Masks required for players on sidelines as NFL enhances COVID-19
NFL Issues New Sideline Mask Mandate in Updated COVID-19 Protocols
Coronavirus updates: US death toll surpasses 40,000 as cases hit
The N.F.L. Has Prevented Coronavirus on the Field. Off It Is
2021 NFL COVID-19 protocols, rules: Differences between vaccinated
The NFL's Unofficial Vaccine Mandate - WSJ
Health Department - Coronavirus - COVID Restrictions - City of New
Here's how the NFL tackled the spread of COVID-19 among players