City of Clio issued the following announcement on Dec 27.
"CLOTH MASKS ARE NOT GOING TO CUT IT with omicron," says Linsey Marr, a researcher at Virginia Tech who studies how viruses transmit in the air.
Combined with getting vaccinated and boosted, upgrading to a high-filtration mask will be key to enjoying a safer holiday season without having to hibernate, experts say.
"I have a lot of confidence in the vaccines, if you're boosted, in protecting against severe outcomes," Marr says, "and I have a lot of confidence in an N95 and similar types of respirators. And I think that with those two things, you can still go about a lot of your normal activities."
https://www.npr.org/.../10668.../mask-n95-omicron-contagious
Original source can be found here.