Tracking Coronavirus Variants Gets Boost; U.S. to Give $4B to COVAX

(MedPage Today) -- The CDC is ramping up efforts to sequence new COVID-19 variants in the U.S.; more than 40 states have identified cases tied to the worrisome B.1.1.7, B.1.351, and P.1 strains. (Politico)
U.S. life expectancyfell by a full...