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.

A vaccine is available to help reduce the risk of girls getting cancer later in life. This same vaccine is also available for boys. New research suggests a boy’s mother plays a significant role in whether or not he gets the vaccine.

The Middle East respiratory syndrome coronavirus (MERS-CoV) has been causing infections in the Middle East for months, but has not reached American shores. Still, American health officials are acting quickly to prepare for the virus's possible spread.

Mosquito bites are itchy and annoying, a fact that is hard to forget. It is more difficult to remember that they can pose a real health threat.

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.

We assume food stored in the refrigerator is safe and healthy. But certain bacteria can grow and thrive even when the temperature is cool. A Listeria  outbreak in the midwestern United States has been tied to a certain brand of soft cheeses.

Nausea, vomiting, diarrhea — these unpleasant symptoms are often brushed off as "the stomach bug" and ignored. But in many cases, a norovirus infection may be the real culprit.

The AIDS epidemic is becoming more and more contained as doctors, researchers and organizations band together to study and fight this seemingly unstoppable virus. Fortunately, things are starting to look up.

There's no guarantee of avoiding any kind of cancer, but some cancers have better chances for prevention than others. Several practices can help prevent cervical cancer, but do all doctors follow them?