It added that they are over six times more likely to contract the virus.
Alaska has seen the worst diagnosis rates in the country recently.
The mid-quarter advisory to investors is an unusual move.
Polfeldt leaves as Ubisoft works on high-profile Star Wars and Avatar games.
Rivals to Apple and Google are courting developers and creators unhappy with the companies' fees.
41.9% of the U.S. population has been fully vaccinated against COVID and 51.5% has received at least 1 dose, per the CDC
The company is looking to transform from a social network to a camera company that caters to developers.
The real-world findings suggest the shot could seriously reduce asymptomatic transmission.
It's also introducing a strike system that can lead to permanent account suspension.
He says Americans should be hopeful but not complacent.