Pneumonia is a lung infection that can range from mild to so serious that you have to go to the hospital. It happens when an infection causes air sacs in your lungs (the alveoli) and tubes in ...

The cause of the disease also determines whether pneumonia is contagious or not. The viral forms of it that are most ...

Highlights Walking pneumonia is a milder form of regular pneumonia. It can be contagious when caused by specific bacteria or viruses. Those at higher risk include the elderly, young children, and ...

A Code Orange alert is in effect in the Philadelphia area, meaning the air is potentially unhealthy for sensitive groups.

Pneumonia, a serious lung infection, affects millions of Americans each year and can become life-threatening if left untreated. While many dismiss the early symptoms as a routine respiratory ...

Bilateral pneumonia, also called double pneumonia, is an infection that affects both lungs and can make breathing difficult. Francis has been suffering from a respiratory infection for more than a ...

"We took her to the urgent care, where they did a strep test and sent her home," Katie Landfried said. "Then her voice changed. I touched her throat and could feel the air move, so we took her back to ...

LONDON — Vatican officials have said Pope Francis has developed pneumonia in both lungs, further complicating his recovery. The 88-year-old pontiff was hospitalized Friday after a weeklong bout ...

The detection of pneumonia after chest x-rays requires "further ... Sponsor Message Francis had part of one lung removed after a pulmonary infection as a young man, and is prone to bouts of ...