There’s a virus you may have never heard of before that is estimated to infect up to 90 percent of people and lurks quietly in your cells for life—but if it becomes activated, it will destroy your ...

A new COVID variant – dubbed Cicada – is being monitored by the Centers for Disease Control and the World Health Organization. First detected in 2024 in South Africa, Cicada, officially known as ...

Staff at the national seashore about 100 miles north of Año Nuevo State Park began to notice an uptick in dead common murres on Feb. 25, around the same time the first cases were identified in marine ...

At least 14 states and Washington, DC, are reporting high or very high flu activity. The dominant flu strain, a version of influenza A (H3N2) called subclade K, has multiple mutations that make it ...

Prefer Newsweek on Google to see more of our trusted coverage when you search. Cases of human metapneumovirus (HMPV), a virus which can cause respiratory illness, have been surging over the last few ...

Sore throat has been known to be one of the first signs of a COVID-19 infection — and now a specific version of the symptom, referred to as "razor blade throat," is being associated with the newest ...

A COVID-19 variant is buzzing back to life after years of flying under the radar. Nicknamed “Cicada” for its long hibernation period and noisy return, the strain is now fueling a steady rise in cases ...

A new variant of COVID-19 is spreading across the U.S., health officials say. At least 23 countries have reported the SARS-CoV-2 BA.3.2 variant as of Feb. 11, according to a study published last week ...

A COVID-19 variant that has remained "underground" for years is catching the attention of health officials in the United States and abroad. The Centers for Disease Control and Prevention (CDC) said in ...

Prefer Newsweek on Google to see more of our trusted coverage when you search. A new COVID variant known as BA.3.2 has been detected across 25 U.S. states and may make immunity from vaccines or past ...