Guerin Emig: You may choose against COVID-19 vaccine protection, but then teams may choose to protect their fans against you
Coronavirus: A timeline of the deadly Covid-19 outbreak
Is playing NFL football 'how we want to allocate resources?'
Don't rush sports back during COVID-19 pandemic
Covid-19 rules for fans at NFL stadiums: Masks, ticket 'pods,' bans or limits on tailgating
U.S. sets death record again as FDA advisers recommend Pfizer-BioNTech vaccine - The Washington Post
Lions won't require masks, proof of vaccination at 2021 home games - NBC Sports
Montez Sweat 'not a fan' of COVID-19 vaccine despite Washington Football Team bringing in expert to address players - ESPN
How NFL training camps will work in 2021 - Answering big questions around new COVID-19 protocols, rules for unvaccinated players - ESPN
Betting on the NFL? Take the team with more vaccinated players
2021 NFL COVID-19 protocols, rules: Differences between vaccinated, unvaccinated players - Pride Of Detroit
49ers unveil fan-friendly training camp schedule
NFL teams lost almost $4 billion in revenue due to coronavirus pandemic - CBS News
10 Questions to Keep in Mind As NFL Training Camps Open - The Ringer
N.F.L. Teams Are Restricting Crowds. The Dallas Cowboys Want More. - The New York Times