Merck Sharp & Dohme Corp.
Merck Manual: Pneumonia
Visit this site from The Merck Manual for information on pneumonia. Read about the causes, how its diagnosed, symptoms, how it can be prevented, and treatment.
Other
Cincinnati's Children Hospital Medical Center: Pneumonia
An information sheet on pneumonia tells what it is, how it is acquired, how it is diagnosed, what the symptoms are, treatment methods, and how it can be prevented.
WebMD
Web Md: What Is Pneumonia?
This article from WebMD provides great information on the lung infection known as pneumonia. Includes a brief but factual topic overview, information on the causes, symptoms, diagnosis, treatment, prevention, and medications involved.