Medically reviewed by Kashif J. Piracha, MD Key Takeaways Pneumonia can be contagious if caused by viruses or ...

For the second half of the 19th century and the early part of the 20th, pneumonia was a leading cause of death that killed hundreds of thousands of people. Sir William Osler – usually considered the ...

Pneumonia infects millions of people every year. Cases of this highly contagious lung infection surged across all age groups in 2024, but young children were hit particularly hard. Infection rates in ...

Add Yahoo as a preferred source to see more of our stories on Google. The Centers for Disease Control and Prevention warned in October that both RSV and walking pneumonia — a mild but very contagious ...

Pneumonia is caused by bacteria, viruses, fungi, or inhaling foreign objects. Children under age 5, adults over age 65, and those with chronic illnesses are at higher risk for pneumonia. Certain ...