The number of Michigan counties where risk from COVID-19 is high has grown to 22 this week, according to the U.S.

Seven counties in southeastern Michigan are at the high transmission threshold and include Wayne, Oakland, Macomb, Livingston, Washtenaw, Monroe and St.

And in the northwestern Lower Peninsula, the counties of Presque Isle, Cheboygan, Otsego, Crawford, Kalkaska, Antrim, Charlevoix, Grand Traverse, Benzie are seeing high rates of community transmission of coronavirus.

More: Michigan coronavirus cases: Tracking the pandemic.

More: 16 Michigan counties now at high level of COVID-19 transmission.

The CDC's COVID-19 community level assessment is based on a combination of data, including COVID-19 cases, hospitalizations and occupied hospital beds in each county.  .

Thirty Michigan counties now have moderate levels of coronavirus transmission, according to the CDC.

There were 992 people admitted to Michigan hospitals with COVID-19 on Friday, state data shows.

Jha said that's likely because COVID-19 vaccines and boosters are reducing the severity of illness among many people and because more Americans are getting treated with the antiviral drug Paxlovid

More: Ferndale schools reinstates face masks for students, staff because of uptick in COVID-19

Rochelle Walensky, director of the CDC, said the agency's community-level assessments are meant to help people understand risk from coronavirus in their counties and decide what actions to take.