Four theories could explain the variants' ability to jump from person to person. In recent months, new variants of the virus that causes COVID-19 have been popping up all over the world, and experts ...

It's been less than a month since health officials reported the first known case of a new and more contagious coronavirus variant in Texas. The man, a Harris County resident, had no travel history.

Estimates show the variant accounts for over 51% of all new cases nationwide. A highly contagious variant of the novel coronavirus that was initially identified in India is now the dominant strain in ...

The Centers for Disease Control and Prevention listed the COVID-19 delta variant as one of its "variants of concern" (VOCs) on June 15. According to the CDC, VOCs can be more contagious, more ...

Add Yahoo as a preferred source to see more of our stories on Google. A new COVID-19 strain, referred to as NB.1.8.1 or "Nimbus," first appeared in the U.S. sometime near the end of April and is ...

In recent weeks, the omicron variant has exploded in the U.S. and other parts of the world. Its disproportionate and sometimes devastating impacts on the unvaccinated — and the possibility of new ...

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 ...

DURHAM, N.C. (WTVD) -- A team of scientists with the Duke Human Vaccine Institute have created a vaccine which showed promising results in animals against the original COVID-19 strain and other ...

In Germany, “Nimbus” is currently the most prevalent coronavirus variant by far. Meanwhile, in Southeast Asia and gradually in Europe, another cloud-named variant is gaining significance: “Stratus” ...

Coronavirus cases may surge in the coming weeks, as they have every summer since the pandemic began five years ago, experts said. Getting vaccinated, masking, improving air quality and staying away ...

It's been a little more than five years since the COVID-19 pandemic ripped through the country, and now a new variant of the disease is slowly beginning to rise in cases. Variant XFG, often referred ...

A new COVID-19 strain, referred to as NB.1.8.1 or "Nimbus," first appeared in the U.S. sometime near the end of April and is currently the dominant variant in the U.S. The new variant is said to be ...