Concern has arisen in the U.S. over a group of COVID-19 variants known as FLiRT, derived from the JN.1 lineage of the Omicron variant. These variants, characterized by specific mutations, include KP.2, which accounted for a significant portion of cases
Experts warn of a potential bird flu pandemic, more severe than COVID-19, following a rare human case in Texas. While typically not easily transmitted between humans.