A highly mutated COVID-19 strain is circulating in California — raising concerns that disease activity could rise heading ...

In fall 2025, rumors spread that the strain of the virus in circulation that causes COVID-19 had "very different signs" compared to other strains of the virus. Referring to it as "COVID-25," people ...

BA.3.2, a heavily mutated new COVID-19 variant which may be better able to escape immunity from vaccines or prior infection, is now spreading in the United States. Although COVID cases are currently ...

Long COVID affects up to 18 million Americans, yet research funding remains inadequate. Experts call for aggressive NIH investment in novel treatments.

The Centers for Disease Control and Prevention has issued updated guidance on who should receive the 2025 COVID-19 booster, focusing on people most at risk for severe illness. Under the current ...

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 new Covid variant spreading across the US has also been identified in the UK, health chiefs have warned. The strain, known as BA.3.2, has been detected in nasal swabs taken from four American ...