Thankfully, malaria has been largely eliminated in the U.S. But there is still plenty of progress to be made abroad, a fact that health officials around the world are highlighting.

Measles and polio may be thought of as relics from another time, but it wasn't too long ago that they were major issues for US children. One vaccination program may be largely responsible for the improvement.

No vaccine is completely effective, so it's helpful to understand how effective different vaccines are when people decide whether to get vaccinated. Until now, there has been little information about the flu vaccine's effectiveness for children.

You expect food to nourish you, not to make you ill. But foodborne illness remains a problem in the US, as a new study has shown.

Germ-filled drops of liquid blow everywhere when a sneeze or cough isn't covered. Just how far those drops can blow was not known until now.

Health officials around the world have been watching an outbreak of Ebola in West Africa as reports of infections continue.

An Ohio outbreak of mumps has continued this week, with a wider geographical area now reporting cases. Health officials are working to slow the spread as the case count grows.

It's important to have as much information as possible to properly weigh the risks and benefits of medication. Sometimes it's difficult to get all that data, as has been the case with Tamiflu.

Vaccinations can offer protection that prevents disease and saves lives. For HIV-infected patients, this protection may not last as long.

People go on a cruise usually expecting relaxation and adventure. Yet some passengers on a California-based ship have been met with an unpleasant type of adventure — that of a stomach virus.