For a community to be protected against contagious diseases, enough residents need to be vaccinated to provide “herd immunity ...

The Centers for Disease Control and Prevention estimates 19,000 people died from the flu so far this winter, including 86 ...

While there are usually cases and even minor outbreaks reported yearly, the 2025 outbreak is on track to be the largest in six years.

The United States has not moved to quit the Americas branch of the World Health Organization, the Pan American Health ...