NFL requiring COVID-19 booster shots by Dec. 27
Is playing NFL football 'how we want to allocate resources?'
NFL's Las Vegas Raiders Will Require Fans To Show Vaccine Proof : Coronavirus Updates : NPR
How NFL training camps will work in 2021 - Answering big questions around new COVID-19 protocols, rules for unvaccinated players - ESPN
As cases spread and NFL tightens COVID-19 protocols, plans continue for fans at Cowboys games
Betting on the NFL? Take the team with more vaccinated players
The AT&T Stadium will not require - KSAT 12 & KSAT.com
NFL opens to full stadiums as COVID-19 surges
The 2021 NFL season is here. Here's your complete guide - The Boston Globe
Novak Djokovic to Play at U.S. Open After COVID-19 Policy Change – SportsTravel
COVID guidelines for Packers vs. 49ers playoff game at Lambeau Field
NFL's Las Vegas Raiders Will Require Fans To Show Vaccine Proof : Coronavirus Updates : NPR
Q&A: Virologist Dr. Angela Rasmussen on Fans Returning to Games