The subvariant is considered more contagious than the original version of Omicron, which flew to the U.S. and Michigan in December and January, bringing the number of cases to the highest level of the pandemic.

But experts say BA.2, like the original Omicron, is less likely to affect the lungs, and those who are vaccinated and reinforced are more likely to avoid serious illness, hospitalization and death. And previous omicron infections provide additional protection from BA.2.

Michigan only consistently selects a small sample of all cases each week, 200 to 300, to determine what options are available in the state, Satfin said. As of Feb. 1, omicron of all subvariants accounted for 97.2 percent of all cases in Michigan.

Two cases of BA.2 were found in Detroit, but the highest number of cases was found in the suburbs of Wayne County (19 cases), Auckland and Washington counties (15 cases each) and Macomb County (13 cases).

“We continue to monitor COVID-19 cases of concern and will inform Michigan residents of any measures they must take to protect themselves from the virus, as needed,” Satfin Bridge said in an email. The state recommends that anyone 5 years of age and older get a coronavirus vaccine or regulator if they are eligible.

However, Satfin noted that the CDC does not consider omicron BA.2 “an option of concern”.

Although omicron infections have led to fewer serious illnesses, a huge number of cases in Michigan – a peak daily average of 17,600 more than twice the previous peak of 7,600 in November – have treated the highest levels of COVID patients in hospitals. -19 that peaked. just over 5,000 across the state on Jan. 10.

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