Intermountain Healthcare

[ad_1] CDC has now approved boosters for all three U.S.-approved brands, and OKs ‘mix-and-match’ shots. (Francisco Kjolseth | The Salt Lake Tribune) Laura Kennedy administers a COVID-19 shot at a vaccination clinic at Salt Lake City’s Rose Park Elementary on Sept. 22, 2021. The federal Centers for Disease Control and Prevention approved booster doses of