SAN FRANCISCO -- Another COVID-19 vaccine -- AstraZeneca -- is poised to arrive in the U.S., bringing a fourth option for Americans. Each vaccine is administered slightly differently, some can result ...

The FDA imposed new restrictions on COVID-19 vaccines, limiting access to the updates shots to people who are at risk for ...

Respiratory syncytial virus (RSV) prefusion vaccines reduced RSV illness in older adults. When pregnant women received RSV F protein-based vaccines, their babies had fewer serious RSV illnesses. This ...

Dr. Steier is a public health scientist who specializes in science communication. The health secretary, Robert F. Kennedy Jr., says he wants to understand what causes autism. It’s a perfectly laudable ...

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 ...