Experts say a new COVID-19 variant is spreading across the more than 20 countries after remaining "underground" for years.

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 ...

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 ...

Preliminary analysis showed the 2025-2026 formula of Spikevax generated greater than an 8-fold increase in LP.8.1-neutralizing antibodies across age groups Clinical findings reinforce preclinical data ...

The World Health Organization and the Centers for Disease Control and Prevention have both designated beta as a “variant of ...

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 ...

A newly detected Covid variant is beginning to spread across the US, prompting experts to take a closer look at how it ...

While the coronavirus pandemic may feel like a communal trauma everyone’s still recovering from, and maybe eagerly trying to forget, it remains a threat to communities around the country and Texas.

Add Yahoo as a preferred source to see more of our stories on Google. (NewsNation) — As the weather begins to change and respiratory illnesses become more common, a highly transmissible strain of ...