The Food and Drug Administration appears poised to make available the COVID-19 vaccines that target omicron as a second ...

However, for the general U.S. adult population, “the FDA has not given us an emergency ... for their primary vaccine series, ...

Healthy children and adolescents may no longer need COVID shots, the World Health Organization said, updating its guidance on vaccines.

The updated vaccines are called "bivalent" because they target 2 strains of the COVID-19 virus: the original strain and an Omicron strain. Bivalent COVID-19 vaccines are only approved for use as a ...