Recent meningitis cases at two US Universities have put health officials on alert. This week, Princeton began administering an unapproved vaccine to help stop the spread of this illness.

Antibiotics completely revolutionized the way medicine is practiced. But they brought a downside too — when bacteria learned to fight back.

New guidelines for treating certain diseases are sometimes issued to save money and improve patients' care. But doctors may need an extra push to follow them.

If there was a vaccine that could possibly prevent cancer, everyone would get it — right? The answer is more complicated than that, as a new study focusing on HPV vaccination showed.

Often, more care is not necessarily better care. For certain conditions, such as bronchiolitis in children, extra medications or other treatments may not help recovery.

While going without flu vaccination can mean risking an unpleasant few days of sickness for most, it can mean risking major illness and hospital time for those with certain conditions.

Nelson Mandela, the former President of South Africa, has died. He was 95.

Shortly after US health officials took the precaution of approving a vaccine for the H5N1 bird flu strain, another strain is causing concerns for a different nation.

Sometimes one public health initiative can have unintended consequences. Could this have happened with the chickenpox vaccine and shingles?

Meningitis cases have been developing at two US universities on opposite coasts. Though students were encouraged not to change holiday travel plans due to these cases, the infections are continuing.