What You Need to Know About the Coronavirus Pandemic
Baseball stadiums are filling up – but an analysis of the NFL's
Coronavirus Updates : NPR
Study suggests NFL crowds may have led to coronavirus spikes
The Future of Stadium Capacity Post-Pandemic - Front Office Sports
NFL suspends all COVID protocols, cites 'encouraging trends'
Super Bowl LV Feb. 7, 2021: NFL Tries to Avoid Covid Outbreak With
Coronavirus Updates : NPR
COVID-19 pandemic in the United States - Wikipedia
Years of research laid the groundwork for speedy COVID-19 shots