New evidence suggests that many Americans who travel abroad may wind up bringing home some unintended souvenirs.

Measles may seem like an ailment from a bygone era, but new evidence suggests that many US children may still be at risk today.

Adults who get their yearly flu vaccines may wind up protecting more than just themselves.

The widespread use of a vaccine against a germ that causes gastrointestinal illness in infants and young children may have proved its worth.

Potential contamination has prompted the nationwide recall of several Sabra Dipping Co. hummus products — to the tune of 30,000 cases.

Taken with a heart medication, two hepatitis C drugs might pose some serious health risks.

The cost of treating a chronic disease can add up, sometimes leading patients to hold off until the disease progresses. The most cost-effective way to treat a common liver condition, however, might be to face it head on.

A group of US pediatricians has called for parents to get their children vaccinated for measles in response to an outbreak that began in Disneyland in California last December.

Since 2012, the Centers for Disease Control and Prevention (CDC) has suggested that all pregnant women receive the Tdap vaccine, even if they were vaccinated earlier in life. And new research found that Tdap was safe for both mom and baby.

The outbreak of chikungunya in Central America, South America and the Caribbean — which began last December — is still spreading. The CDC recently warned travelers to take precautions when traveling to affected regions.