Add Yahoo as a preferred source to see more of our stories on Google. A new COVID variant is dominant in the US: What are its symptoms? As COVID-19 infections start to rise across the country, a new COVID-19 variant called KP.3 has gained dominance in the ...

New coronavirus variants dubbed “FLiRT” are circulating the world and growing dominant in the U.S., and although cases and deaths are on a decline, some experts worry these variants may cause a summer surge as more Americans gather for summer holidays ...

New COVID-19 variant XFG has firmly positioned itself as the predominant strain in the United States as cases continue to crop up nationwide. Some regions of the U.S. are experiencing higher rates of positive COVID-19 tests than others, though reporting ...

A study by researchers at The Jackson Laboratory (JAX), the Broad Institute, and Yale University has identified how specific genetic changes function in cells to influence disease risk and other human health traits. By probing regions of DNA previously ...