Viral pneumonia is a lung infection caused by the flu, the common cold, and other viruses. Learn about its causes, symptoms, diagnosis, treatment, and more.

Long-term air pollution exposure in adults, even at low levels, is linked to increased risk for pneumonia and other ALRIs requiring hospital care.

Which is more contagious, measles or viral misinformation that infects our understanding of how to stay safe? It’s hard to ...