The new "FLiRT" COVID-19 variants, including the now dominant KP.2 strain, are circulating in the US. Experts discuss ...

That vaccine is designed to target the XBB.1.5 Omicron subvariant. According to CDC data, it appears to protect against JN.1, ...

Within the FLiRT family, one variant in particular has risen to prominence: KP.2, which accounted for about 25% of new ...

The vaccine provided similar levels of protection against XBB lineage variants ... risk for severe disease from COVID. In a ...

Last week, the World Health Organization (WHO) recommended basing future vaccine formulations on the JN.1 lineage.

Here’s your go-to guide with everything you need to know about COVID-19, including testing expanding to more airports, ...

The World Health Organization (WHO) Technical Advisory Group on COVID-19 Vaccine Composition, which meets about every 6 ...

A study from Japan, awaiting peer review, suggests that KP.2 may be less infectious than its predecessor JN.1. Despite this, ...

According to data from the Centers for Disease Control and Prevention (CDC), Omicron JN.1 became the dominant COVID strain in ...

27% either tested positive for COVID or reported COVID-like symptoms. At the time of the conference, the CDC did not require attendees to wear masks. The study authors said high levels of ...

The updated vaccine targets the XBB.1.5 Omicron strain and is expected ... As of April 19, 22.8% of adults had received the newest COVID shot, according to CDC data; more than twice as many ...