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

Add Yahoo as a preferred source to see more of our stories on Google. How pneumonia happens, infections that lead to pneumonia, and more. A lot of people think of pneumonia as a case of a cold gone ...

Pneumococcal pneumonia is a potentially serious bacterial lung infection that causes approximately 225,000 hospitalizations among adults in the U.S. each year. Age, certain underlying medical ...

Pneumonia is a lung infection that can be caused by a number of different organisms, including bacteria, viruses, and fungi. It happens when your immune system isn't able to prevent these organisms ...

A lot of people think of pneumonia as a case of a cold gone haywire, but there is so much more to the disease than that. And knowing exactly what pneumonia is can help you protect yourself and the ...

Premature birth, pneumonia and malaria among leading causes of death in under-fives worldwide, as UN experts warn aid cuts are slowing progress on survival rates ...

The U.S. may or may not be headed for a “tripledemic” scenario like it saw last year—one in which three main pathogens drive up illnesses, hospitalizations, and general misery. The term "tripledemic" ...

Add Yahoo as a preferred source to see more of our stories on Google. Mycoplasma can infect a person's lungs, causing pneumonia. FreshSplash via Getty Images Infections of mycoplasma pneumoniae, also ...

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 ...