COVID-19 cases are increasing in America. Several states are seeing a rise, especially in the Pacific Northwest and Southeast ...

Two new COVID-19 variants are spreading through the U.S., and medical providers in Connecticut are expecting an uptick in cases in the coming weeks.

In Nature Communications, authors describe a novel web platform for genomic surveillance of the SARS-CoV-2 virus called ...

COVID-19 cases are rising in half of U.S. states. What to know about COVID trends and the new Stratus and Nimbus variants.

The data, from the Centers for Disease Control and Prevention, also showed a significant increase in COVID-related emergency ...

A contagious new COVID-19 variant called NB.1.8.1, aka "Nimbus," is now dominant in the United States, CDC data show. What to ...

The CDC has detected a new set of COVID-19 variants called FLiRT. Here's what to know about the symptoms and the possibility of a summer surge.

A new Covid-19 variant, Stratus (XFG or XFG.3), also known as “Frankenstein” due to its recombinant nature, has been ...

Several Omicron subvariants are rising in the U.S. and around the world, and may prompt a new wave of COVID cases in the coming months. Here’s what to know about BQ.1, BQ.1.1, BF.7, XBB, BA.4.6 ...

Scientists are currently studying how well people are protected against severe disease from XFG. Researchers conducted lab ...

As new variants continue to emerge, there is growing evidence that global warming could influence transmission of the virus ...

COVID-19 variants are originating in the UK, South Africa and Brazil. Here's what to know about vaccines, symptoms and what it means for the pandemic.