Concussions in the NFL: How Worried are You?
Coronavirus Updates : NPR
COVID-19 and its impact on football - A Sports Law and Policy Centre and LawInSport Joint Survey - 4th Edition - LawInSport
The NFL and NBA are changing their Covid-19 protocols as cases rise
The NFL has updated its Covid protocols as the virus disrupts game schedules
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NFL-NFLPA COVID-19 Protocols for the 2021 Regular Season
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Implementation and Evolution of Mitigation Measures, Testing, and Contact Tracing in the National Football League, August 9–November 21, 2020
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