Pneumonia is an infection that affects one or both lungs, and can be caused by bacteria, virus or fungus.

The researchers conducted a retrospective analysis of 188,721 hospitalized patients in Veterans Affairs (VA) hospitals across the United States from 2015 to 2025. “We know that people often get ...

Respiratory viral coinfection in patients with Staphylococcus aureus bacteremia (SAB) was associated with a more than fourfold increased risk for bacteremic pneumonia and higher 30‑day mortality rate ...