Chicago Omicron

The omicron variant is causing an increase in breakthrough infections among the fully vaccinated and, in some cases, the boosted, but what is it about this variant that is leading to a rise in infections?

As Chicago starts to see some declines in key coronavirus metrics, the city’s top doctor isn’t ready to say that the omicron peak has passed, but said that the city’s response to the surge is giving her hope that things could be heading in a better direction.

Chicago’s top doctor took questions Tuesday about CPS, the surge in COVID cases, and when we may see a peak in omicron cases. NBC 5’s Charlie Wojciechowski has the story.