The Vikings also have backup quarterback Sean Mannion on the COVID-19 reserve list, although it’s possible that Mannion, who went on the list five days ago, could be back by Sunday. If not, rookie Kellen Mond is the next man up, and Kyle Sloter is the other quarterback on the roster in Minnesota.
EDIT: Just saw that Mannion was activated off the list. Guessing he gets the start if he is healthy.
This made me laugh in a "Told you so" way:
Scenario that Zimmer feared
During training camp, all Vikings quarterbacks except Jake Browning missed the team's night practice due to COVID protocols. At that time, head coach Mike Zimmer expressed his frustration with players refusing to get vaccinated and spoke about the problem it could cause late in a season with a playoff berth on the line. The worst-case scenario is unfortunately starting to play out for the Vikings at the end of the season ahead of a must-win game at Green Bay.