NFL updates COVID rules to decide whether to play, noting every case is different

The Atlanta Falcons shut down their practice facility in Flowery Branch, Ga., on Thursday but plan to reopen it on Friday.The Vikings remain scheduled to host the Falcons on Sunday at U.S. Bank Stadium after Atlanta closed its facilities Thursday because of a new positive test for COVID-19.

The Falcons are expected to reopen facilities Friday after an assistant coach tested positive, according to the Atlanta Journal-Constitution.

While the Vikings held practice Thursday at TCO Performance Center in Eagan, the NFL’s chief medical officer, Dr. Allen Sills, said the decisions about closing team facilities and postponing games are based on how the league’s medical experts gauge the risk of…