Pneumonia is a broad term for a common lung infection typically caused by bacteria or viruses. The illness can also be a complication of the flu. When something like bacteria, for example, gets into ...

New evidence shows rhinovirus can directly infect the lower lungs and cause pneumonia in adults, challenging its reputation ...

Legionnaires’ disease is a severe pneumonia caused by contaminated water systems. Understanding its symptoms, causes, and ...

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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 ...

Pneumonia and lung cancer present similar symptoms like cough and chest pain. Pneumonia is a rapid infection, while lung cancer involves slow cell growth. Understanding these differences is vital for ...

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

Beloved Oscar-winning actress 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 ...