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

One year ago, measles cases were confirmed in Texas. If officials determine it's been 1 year of ongoing transmission, the U.S. could lose its elimination status.

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

Flu season in the U.S. is particularly bad this year, and a new branch of the flu family tree may be to blame. If it feels ...

The U.S. flu season appears to be waning with two straight weeks of decline in measures of flu activity, according to the ...

Health experts working in and near measles outbreaks told ABC News that vaccine acceptance has been mixed among these ...

The CDC first recommended annual flu shots for all children 6 months and older in 2008, when it expanded the recommendation ...

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

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

According to the Royal Papworth Hospital, influenza or ‘flu’, is a ‘viral infection that mainly affects the nose, throat and ...