Stacker consulted research from Yale Medical School and the World Health Organization to find how SARS-CoV-2 has evolved ...

Vaccines help teach the body how to fight Covid. But the current ones in use were not designed to combat the heavily-mutated ...

Fact checked by Nick Blackmer The COVID-19 variant XEC, which has been spreading across Europe, now accounts for 17% of cases ...

A new variant of COVID called XEC — a combination of two Omicron subvariants — is spreading in the middle of flu season.

The seasonal COVID-19 spike, combined with rising cases of seasonal flu and RSV, brings what has been called a “tripledemic.” ...

"XEC is the proposed name of a recombinant, or hybrid, of the closely related Omicron lineages KS.1.1 and KP.3.3." New COVID strain XEC is a recombinant strain of two variants in the Omicron ...

By Jack Phillips Contributing Writer Recent estimates published by the U.S. Centers for Disease Control and Prevention show ...

XEC is an Omicron variant and has several spike mutations ... 1 emerged from BA.2.86 late last year to drive new COVID infections through last fall and winter, XEC may have similar potential ...

Since 2020, COVID-19 has surged across the nation and the world. With variants like Omicron, Delta, Alpha and more, this ...

KP.3.1.1 is still the dominant COVID-19 variant in the United ... of the closely related Omicron lineages KS.1.1 and KP.3.3." The variant, which first appeared in Berlin in late June, has ...

Updated COVID-19 vaccines targeting JN.1-lineage omicron variants of the coronavirus are now available in the U.S. for the fall and winter seasons. Here we answer common questions about the latest ...

KP.3.1.1 is still the dominant COVID-19 variant in the United States as ... "XEC is the proposed name of a recombinant, or hybrid, of the closely related Omicron lineages KS.1.1 and KP.3.3." The ...