The US FDA may limit Covid-19 boosters to high-risk groups only, citing lack of efficacy in healthy individuals. Meanwhile, ...

The U.S. has detected the NB.1.8.1 COVID-19 variant, dominant in China, through airport screenings and health departments ...

A panel of advisers to the U.S. Food and Drug Administration (FDA) has recommended that for the upcoming fall and winter immunization campaigns, COVID-19 vaccine makers should formulate their shots to ...

The travelers with cases linked to the NB.1.8.1 variant have been arriving at airports in California, Washington state, ...