LOS ANGELES, April 18 (Xinhua) — The U.S. Food and Drug Administration (FDA) on Tuesday amended the emergency use authorizations of the Moderna and Pfizer-BioNTech COVID-19 bivalent mRNA vaccines, ap
Enjoy life, Inspiring work
Enjoy life, Inspiring work
LOS ANGELES, April 18 (Xinhua) — The U.S. Food and Drug Administration (FDA) on Tuesday amended the emergency use authorizations of the Moderna and Pfizer-BioNTech COVID-19 bivalent mRNA vaccines, ap