The delta variant is fueling the COVID-19 surge in the United States, but experts warn that a more dangerous variant could emerge if more Americans don't get vaccinated. Delta is the most recent of ...

Learn more about the new COVID-19 variants Nimbus and Stratus, and certain symptoms like a stabbing sore throat that come ...

A new COVID-19 variant called "Stratus" has been circulating in Oklahoma, and the state's positive test rate has been higher than the national average during the summer months. Stratus is the ...

New COVID-19 cases continue to crop up nationwide as new variant XFG makes gains both domestically and abroad. Some regions of the United States are experiencing higher rates of positive COVID-19 ...

Every summer for the past several years, including this summer, COVID cases have increased throughout the United States as people spend time in air-conditioned spaces and as summer travel peaks. It is ...

New COVID-19 variant XFG has firmly positioned itself as the predominant strain in the United States as cases continue to crop up nationwide. Some regions of the U.S. are experiencing higher rates of ...

As summer comes to an end, COVID-19 cases are on the rise again in California. While respiratory viruses usually peak in the winter, the novel coronavirus can also surge in the warmer months.

As the weather cools and fall approaches, COVID-19 cases are still spiking in much of the United States. The country has yet to emerge from a late summer COVID wave driven by the highly contagious new ...

NEW YORK -- The CDC is warning that the coronavirus subvariant JN.1 is now the "fastest-growing" variant in the US. It's now causing about 20% of new COVID-19 infections in the country and is dominant ...

The World Heath Organisation (WHO) has listed a new variant of Covid as 'of interest' which shows worrying resistance to ...