Measles was largely wiped out in the United States years ago, but still poses a threat around the globe. New cases of measles found in foreign travelers in California are causing concern.

Preventable diseases can still be big threats to public health. Measles is one such disease. Though the condition can be avoided, it can still spread and cause major health problems.

The goal of developing new vaccines is to decrease the cases of certain illnesses. The vaccine for pneumonia appears to have done just that.

While less common than type 2 diabetes, type 1 diabetes strikes millions of Americans, typically at an early age. A new vaccine shows promise for preventing the disease in the future.

Each year a new flu vaccine is created to try to match up with the strains of flu that are going around. What happens if the flu vaccine isn't a perfect match for the strain of virus it's fighting?

A pregnant woman should stay as healthy as possible to keep her baby safe and healthy. This includes protecting herself from infectious diseases.

The flu vaccine is one vital part of reducing your risk of flu. But what if you're allergic to eggs, which are used to make flu vaccines? There's a new option for you.

It's not easy to watch your baby get their shots. Parents often ask whether it's helpful to give a child acetaminophen to reduce some of the pain and swelling that can result.

When flu season is around the corner, you're likely to see lots of reminders to get the flu vaccine. Is the flu vaccine likely to make much of a difference?

Only one vaccine currently protects against an infection that can directly cause cancer — the HPV vaccine. Good news about that vaccine is that research is showing that it's working very well.