NFL games with many in-person fans may have spiked COVID cases
NFL postpones three games due to Covid surge
Decoding an Outbreak: How Covid-19 Ripped through the Baltimore Ravens - WSJ
Three NFL games moved due to COVID-19 outbreaks
3 NFL games moved due to COVID-19 outbreaks
Odell Beckham Jr. on COVID-19 reserve list in NFL's worst two-day outbreak since the pandemic started - The Boston Globe
NFL discussed cancellations due to COVID-19 outbreaks on teams: reports
NFL reexamining COVID-19 protocols after sudden wave of positive cases late in 2021 season
NFL Suspends All COVID-19 Protocols for the 2022 Season
Three NFL games moved due to COVID-19 outbreaks
NFL postponing 3 games due to coronavirus outbreaks, sources tell ESPN - ABC30 Fresno
Frontiers COVID-19 outbreak: Impact on global economy