CDC steps up its Covid vaccine booster recommendation amid concerns about omicron variant
https://www.cnbc.com/2021/11/29/covi...-concerns.html

CDC Director Dr. Rochelle Walensky said Monday that all U.S. adults “should” get a Covid vaccine booster. Previously the agency said all adults “may” get the shot. The strengthened recommendation comes as public health officials worry that the omicron variant could exacerbate an expected winter infection surge.