Two new COVID-19 variants are spreading across the country and doctors in Connecticut are expecting they could bring an uptick in cases.

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

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

The research found young bats are infected more frequently and could be a key source of viral spillover into other species.

Infections of COVID-19 are growing or likely growing in half of the U.S. as of July 8, according to CDC estimates.