A planned U.S.-funded study of a hepatitis B vaccine drew widespread condemnation from researchers. Now the host country says it cannot proceed.

Guinea-Bissau's health minister says the government is suspending a Trump administration-backed hepatitis B vaccine study on ...

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 ...

Subclade K (previously known as J.2.4.1) is gaining attention because it appears to be spreading much earlier in the flu ...

Measles cases are surging in the U.S., partly fueled by claims that infection boosts immunity or fights cancer. Here’s what ...

Human expansion in the Amazon increases contact between cities and forests, raising the risk that diseases like yellow fever ...

A new study from the University of Southern California found that a recommended vaccine for older adults may not only prevent ...

Under Robert F. Kennedy Jr., the Trump administration's health agencies have muddled vaccine messaging. The result is that ...

Public health experts worry the country meets the criteria to lose its elimination status now that a year has passed since ...

A new study shows the intricacies of the cold virus and how it interacts with nasal airway cells, revealing why some people ...

The U.S. has held its measles-free status for more than 25 years. Experts say unrelenting outbreaks in the past year may ...

The mpox virus appears to be circulating silently in parts of Nigeria, in many cases without the symptoms typically ...