Experts explain why this particular strain is more likely to overcome immunity from vaccination or previous infection.

The heavily mutated new BA.3.2 COVID-19 variant, aka "cicada," is circulating in at least 25 U.S. states, the CDC said. What to know about its spread and symptoms.

Helen Branswell covers issues broadly related to infectious diseases, including outbreaks, preparedness, research, and vaccine development. Follow her on Mastodon and Bluesky. You can reach Helen on ...

New research shows that after the body's defenses kill the virus behind COVID-19, leftover digested chunks of SARS-CoV-2 spike protein can target specific immune cells based on their shape. The ...

A variant of COVID-19 called BA.3.2, which has circulated under the radar since late 2024, is now spreading quickly across the United States. As a pulmonary and critical care doctor, I see many ...

THE HSE have issued a Covid vaccine reminder to three key groups after a new variant took over as the dominant strain last ...

The number of confirmed cases of COVID-19 is on the rise again across San Diego County. As summer turns to fall, more people are being infected, with some public events being canceled due to small, ...

Pharmacist Deep Patel, left, prepares the flu and COVID-19 vaccine for Brandon Guerrero at a CVS in Huntington Park in summer 2024. (Christina House / Los Angeles Times) By many measures, the ...