A COVID-19 variant that has remained "underground" for years is catching the attention of health officials worldwide. The U.S. Centers for Disease Control and Prevention said in a March 19 report that ...

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COVID-19 cases are surging in Texas, just in time for back-to-school season, according to wastewater samples taken last week. What do experts recommend with cases on the rise? Here's what to know ...

Looming funding cuts for one of America's major disease surveillance programs could threaten public health responses experts say.

Add Yahoo as a preferred source to see more of our stories on Google. A new Covid variant is spreading across the U.S. and it may be able to evade protection from current vaccines. The variant, known ...

COVID-19 variant BA.3.2 or "cicada" is not widely circulating in the U.S. yet, but based on trends in Europe, it may become more prominent. Most evidence comes from laboratory data, but there are no ...

A heavily mutated variant of the virus that causes Covid-19 appears to be affecting primarily children, scientists say, though it’s not causing more severe disease – in kids or in adults. Rather, ...

Researchers at the Icahn School of Medicine at Mount Sinai and collaborators have created the most comprehensive map to date showing how antibodies attach to the SARS-CoV-2 virus, which causes ...

It may be spring, but virus season isn’t over yet. Limited time: Save 25% on NBC News subscription Get exclusive reporting, live Q&As and ad-free reading. Flu and Covid, including a new variant called ...

COVID-19 vaccination during pregnancy reduces adverse events and preterm birth risks, irrespective of the variant. Data from the Canadian Surveillance of COVID-19 in Pregnancy program showed ...