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

The thinking about what risk Covid poses — or doesn't pose — has shifted in recent years. What does it mean for you?

Results from a small randomized controlled clinical trial show promising findings about a new type of therapy for patients ...

Some of the newer COVID-19 variants (like Cicada COVID or BA.3.2) cause razor-like throat pain, but so do other illnesses.

A COVID-19 variant called Cicada, formally known as BA.3.2, has been found in 25 states as of March 19, including South ...

Covid-19 vaccines roughly halved the chances that a US adult would need to visit the emergency room or be hospitalized with ...

Add Yahoo as a preferred source to see more of our stories on Google. If you’re like most people in the US, you probably either know someone with COVID-19 right now, know someone who just got over an ...

The report found that the shots cut the likelihood of hospitalizations, but the agency’s acting head said it gave an ...

Back in the spring of 2020, we dreamt of a day when COVID would be gone. The reality is that isn't how the virus played out, ...

A few weeks ago, 16-year-old Kaylee Joaquim woke up early to tour the University of Massachusetts Dartmouth campus with her ...

The U.S. Food and Drug Administration approved 2025-26 COVID-19 vaccines for anyone age 65 and older and any person 6 months and older who has at least one underlying health condition that increases ...

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 ...