New COVID-19 protocols to feature targeted testing of fully vaccinated players, staff
Coronavirus Antibody Tests May Produce Contradictory Results - Bloomberg
It may be time to break out the masks against Covid, some experts say
New face mask guidance from the CDC recommends vaccinated people wear masks indoors in certain areas
How Will the NFL's COVID-19 Testing and Contact Tracing Work? - The Ringer
NFL stops all Covid protocols, dropping all masks and testing requirements
NFL and NBA lead new Covid outbreaks in sports
Public Attitudes, Behaviors, and Beliefs Related to COVID-19, Stay-at-Home Orders, Nonessential Business Closures, and Public Health Guidance — United States, New York City, and Los Angeles, May 5–12, 2020
New York lifts indoor mask mandate, as other states relax COVID restrictions : NPR