CDC reforming COVID-19 guidance … Nearly three-quarters of the U.S. now estimated to be immune to omicron variant … Brain synapse destruction culprit behind Alzheimer’s cognitive decline … Treatment...
FDA authorizes omicron-targeting vaccines as preferred COVID booster shots
By
Alicia Lasek
Sep 01, 2022
The FDA has authorized new, bivalent versions of Pfizer’s and Moderna’s COVID-19 vaccines to be used as booster shots. At the same time, the original monovalent versions are no longer authorized as...
Two years into pandemic, we’re better prepared to fight off virus variants
By
Alicia Lasek
Dec 02, 2021
Despite the threat of the quickly spreading and highly mutated omicron coronavirus variant — which has just landed in the U.S. — we are safer than we were before the pandemic, some experts say.