We've activated WR John Brown from IR but have placed Brown, S Josh Thomas and RB Christian Wade on the Reserve/COVID-19 list.
— Buffalo Bills (@BuffaloBills) December 28, 2020
Per NFL protocols, those players have been defined to have been in close contact with RB T.J. Yeldon, who was placed on the Reserve/Covid-19 yesterday. pic.twitter.com/jyIEGgW61y