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

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

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 ...

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

A newly dominant strain of COVID-19, known as NB.1.8.1 or “Nimbus,” is now the most common variant circulating in the United States. According to recent data from ...

While most people will clear the virus and get a negative antigen test result within 10 days, some people may keep testing positive for longer than that, experts tell TODAY.com. And if you keep ...

The dreaded illness is on the rise once again with doctors reporting that the associated symptoms are more subtle than with ...

Ireland's public health guidelines remain the same: If you have any symptoms of Covid, stay at home until 48 hours after the ...

Since the start of the SARS-CoV-2 pandemic, several variants of the virus have developed into Variants of Concern (VOCs), as ...

What to know about COVID symptoms, testing and incubation as the new "razor blade throat" Nimbus variant has caused a summer 2025 spike.

A promising new COVID-19 vaccine candidate developed by researchers at the Centenary Institute and the University of Sydney ...