Differing strains of the coronavirus continue to appear around the world and a new COVID-19 variant, the so-called "Delta" variant, has health experts concerned. The variant, otherwise known as B.1617 ...

Add Yahoo as a preferred source to see more of our stories on Google. Every summer for the past several years, including this summer, COVID cases have increased throughout the United States as people ...

Yep, just in time for Valentine's Day.

A new COVID variant known as NB.1.8.1 has made landfall in the United States. As of late May, the variant, which was first detected in China this past January, accounted for 10% of the SARS-CoV-2 ...

A newer COVID variant called XFG is currently fueling cases of the virus across the country. Nicknamed “Stratus,” this variant first took hold over the summer and now makes up nearly 70% of COVID-19 ...

A new COVID-19 variant, XFG, is spreading across the United States, CDC data shows. Mufid Majnun via Unsplash A new COVID-19 variant has been quickly spreading across the United States over the last ...

In fall 2025, rumors spread that the strain of the virus in circulation that causes COVID-19 had "very different signs" compared to other strains of the virus. Referring to it as "COVID-25," people ...

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 ...