July 10, 2024 10:53 AM

FLiRT COVID variants: What are they and are they more contagious?

The so-called FLiRT variants of SARS-CoV-2 coronavirus that cause COVID-19 have been the dominant forms of the virus circulating this year globally, according to the World Health Organization FLiRT is an acronym for the locations of the mutations the variants share on the virus' spike protein. One of them, called KP.3, has become the most commonly circulating variant in the United States over the past month, according to the U.S. Centers for Disease Control and Prevention. Here is what you nee...