A particularly infectious subvariant of influenza is keeping emergency room numbers high and causing especially severe ...

Norovirus hospital admissions soar by 45% as winter bug peaks - Health secretary Wes Streeting has urged people to ‘remain ...

Flu-related pediatric deaths have doubled since last week, according to the CDC. Here's what to know this week, including ...

What is norovirus? The symptoms, warning signs and when you should worry - The number of patients in hospital with norovirus ...

Infant protection against respiratory syncytial virus (RSV) by maternal RSV vaccination or receipt of RSV monoclonal antibody ...

Last year, the U.S. saw the highest number of measles cases in 33 years.

Discover how UCSF is leading the charge in Long COVID research, uncovering key findings that advance our understanding of the condition. UCSF researchers have adapted innovative tools and ...

A growing measles outbreak in South Carolina has infected more than 600 people since October, with hundreds more being ...

Flu, RSV, shingles, Covid and other vaccines have ‘off-target’ benefits for older adults, making them ‘key tools’ for healthy ...

The United States reported a record number of measles cases in 2025, and the virus continues to spread rapidly in the new ...

Some people have remained firmly against vaccines even as they see the disease.

The first three weeks of January in Arizona have been marked by measles cases and public exposures to the virus. Here's what ...