"As these viruses continue to evolve, public health officials watch carefully to see whether new strains will be more easily ...

A new COVID-19 variant is climbing the ranks in the United States, becoming the third-most common strain of the summer. Variant XFG, colloquially known as "Stratus," was first detected in Southeast ...

A new COVID-19 variant sweeping through China has yet to make a sizable footprint in the U.S., the Centers for Disease Control and Prevention (CDC) says. In January, a new COVID-19 variant known as NB ...

Add Yahoo as a preferred source to see more of our stories on Google. Getty Images An alleged warning has spread online for years about a supposed "new COVID-Omicron XBB variant" — a new strain of the ...

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 ...

The first known meta-analysis of how SARS-CoV-2 variant type and time since infection influence long-COVID symptoms ties Omicron to brain fog and paresthesia (numbness and tingling), while earlier ...

Another wave of Covid is circulating again, pushing up hospitalisations and deaths, and reminding Kiwis of a time they hoped ...

Researchers have devised a new tool for discerning between naturally occurring viral outbreaks and those resulting from lab ...

As states grappled with confusion around vaccines, COVID-19 cases have continued to fluctuate nationwide. Some regions of the United States are experiencing "very high" COVID viral activity, according ...

Add Yahoo as a preferred source to see more of our stories on Google. While some liken it to the common cold, COVID-19 is still a lethal disease, and certain groups are still at a higher risk of a ...