LONDON — As more cases of the new omicron Covid variant emerge around the world, experts say it's likely that the variant, first identified in South Africa last week, had already been circulating for ...

COVID-19 variant XFG accounted for 0% of U.S. cases in May. By late-June, it became the third-most common strain.

There is at present nothing to suggest that the symptoms of the newly emerging JN.1 variant of COVID-19 are any different to other strains circulating among the population, the Centers for Disease ...

In just four weeks time, NB.1.8.1 has shot up the list of variants to be worried about, according to a new WHO report. Reading time 3 minutes A new variant of covid-19, NB.1.8.1, is stirring up ...