One of the best ways to avoid the flu is to get the annual flu vaccine. Yet many children will still get the flu each year and possibly need hospitalization. Can antivirals help?

News this week circulated of meningitis cases on the Princeton University Campus, and now a campus across the country — UC Santa Barbara — has reported its own troubles with the illness.

It is standard for many colleges to require vaccinations protecting students against meningitis. Now one US university is coping with a strain of the illness not protected by routine vaccines.

Dengue fever might be thought of as a far-removed, tropical disease, but officials of South Texas have reported several discovered cases.

It used to be that smoking and drinking alcohol were the biggest risk factors for cancers that develop in the mouth and throat. Those trends may be changing, according to a new study.

In the past, it wasn't uncommon for kids to be prescribed antibiotics for almost any respiratory infection. Now doctors are more careful about prescribing them only when necessary.

It's already understood that babies born very early are at a higher risk for respiratory problems. Yet even being a week or two early might increase this risk slightly.

Bird flu is often talked about as if it's one disease, but there are a variety of avian influenza strains, some of which have been discovered in humans and some of which have only been seen in birds. The authors of a new study took a close look at the first reported human patient with the H6N1 bird flu strain.

Even with infections that don't spread  easily , family members might still run the risk of developing the same infections, simply due to a shared environment. Researchers explored this issue for one infection in particular — toxoplasmosis.

Certain types of the bacteria E. coli live in our intestines without causing trouble or harm. But other strains can cause serious illness. Two related California companies have recalled pre-packaged salads and wraps due to concerns about this type of the bacteria.