The will be without running back and linebacker Kamal Martin for Thursday's game against the San Francisco 49ers at Levi's Stadium.
On Tuesday, the announced that Williams and Martin were high-risk close contacts of AJ Dillon and will be required to isolate "for at least five days" after their last contact with Dillon, per Rob Demovsky.
The Packers announced Monday that they had placed Dillon on the reserve/COVID-19 list. Per NFL rules, players are put on the reserve/COVID-19 list either for a positive test or for having been in close contact with someone who has the virus.