Here's what pneumonia is, what causes it and how the disease is usually treated once it has been diagnosed.

Pneumonia infects millions of people every year. Cases of this highly contagious lung infection surged across all age groups ...

Cases of "walking pneumonia" — a milder form of the lung infection pneumonia — have spiked in the United States, particularly among young children. Bacterial infections from Mycoplasma pneumoniae, one ...

If you or your kid has a cough that's been lingering, keep reading. The Centers for Disease Control and Prevention says cases of mycoplasma pneumonia are surging across the U.S., especially among ...

Nashville singer-songwriter Todd Snider died Nov. 14, a day after after friends and family announced the Americana and country music singer, 59, had been diagnosed with walking pneumonia. According to ...

Beloved Oscar-winning actor Diane Keaton died from pneumonia, according to a statement her family shared with People magazine. It was not clear if she had any underlying health conditions that ...