FILE- In this Oct. 15, 2019, file photo, Dr. Allen Sills, the NFL's chief medical officer, speaks during a news conference at the at the football league's fall meeting in Fort Lauderdale, Fla. The NFL's chief medical officer says it's not surprising there have been positive tests for COVID-19 among players reporting to training camp because the disease is cutting across football just as it has through societies around the world. Players currently have to pass COVID-19 testing before they are allowed into training camp. (AP Photo/Wilfredo Lee, File)FILE - In this Jan. 29, 2019, file photo, NFL Chief Medical Officer Dr. Allen Sills gestures while speaking during a health and safety tour at Mercedes-Benz Stadium for the NFL Super Bowl 53 football game in Atlanta. Sills says the league is establishing a new two-step protocol for player and coaches who have no known history of the COVID infection and receive a positive test. He said any individual in that circumstance and who is also asymptomatic will then be given two confirmatory tests on the day following the positive test result. (AP Photo/David J. Phillip, File)
Copyright 2019 The Associated Press. All rights reserved
FILE- In this Oct. 15, 2019, file photo, Dr. Allen Sills, the NFL's chief medical officer, speaks during a news conference at the at the football league's fall meeting in Fort Lauderdale, Fla. The NFL's chief medical officer says it's not surprising there have been positive tests for COVID-19 among players reporting to training camp because the disease is cutting across football just as it has through societies around the world. Players currently have to pass COVID-19 testing before they are allowed into training camp. (AP Photo/Wilfredo Lee, File)
