NFL stops all Covid protocols, dropping all masks and testing requirements
One Doctor's Life on the Coronavirus Front Lines. 'If We Fail, What Happens to You All?' - WSJ
Coronavirus Calvert County Health Department
NFL COVID-19 protocols have 'broad and attainable implications' for public
The NFL has updated its Covid protocols as the virus disrupts game schedules
The NFL Is Using Sensor-Laden Mouthpieces to Study Concussions
NFL puts stringent COVID-19 protocols in place for teams facing outbreaks
Unvaccinated kids bear brunt of COVID-19, studies show - University of Mississippi Medical Center
Here's how the NFL tackled the spread of COVID-19 among players, staff