The fall brings cooler weather, autumn colors and, unfortunately, thoughts of flu season. So far this year, the flu season seems to be off to a slow start.

Tuberculosis might not be a huge concern in the US these days, but a new report on the state of tuberculosis around the globe showed that international progress still needs to be made.

The main purpose of the flu vaccine is to protect against influenza. But it may offer other benefits as well.

A baby who catches whooping cough often requires hospitalization. Only babies over 2 months old can receive the vaccine for this illness. But  if many others in the community are vaccinated against the disease, that may help protect these young babies from it.

Babies born earlier than their due dates can often be at higher risk for certain diseases. With a usually weaker immune system, they may benefit from protective measures.

Medications originally created to lower cholesterol have been considered for use in treating a variety of other conditions. However, the authors of a new study say that a certain type of pneumonia may not be one such condition.

The higher you are in the world, the thinner the air is. Higher altitudes mean it's more difficult to breathe and gain the oxygen your body needs.

Everyone is urged to get a flu shot, but what should you do if an allergy might interact with the vaccine? Risk the flu or risk the allergic reaction?  For many patients, these concerns have now been addressed.

More than 9,000 people contracted whooping cough in California in 2010. It was the worst outbreak of the disease, also called pertussis, since 1947 in that state.

As flu season approaches, the time to protect yourself with the flu vaccine is here. For women who are pregnant, it is especially important to get protection from influenza.