FDA advisers vote in support of Paxlovid approval for Covid-19 treatment in high-risk adults
By Janelle Chavez, CNN
Joe Raedle/Getty Images/FILE
The US Food and Drug Administration has authorized updated vaccines that target the original strain of the coronavirus as well as the Omicron subvariants BA.4 and BA.5.
Everything you need to know about updated COVID booster shots
The new bivalent vaccines carry instructions to help our cells make defenses against two strains of the virus that causes COVID-19.