Pneumonia is an infection of the lungs caused by a virus. Symptoms of pneumonia differ by the cause, but some symptoms include chills, fever, fatigue, chest pain, sore throat, and coughing. Follow the links below to find WebMD's comprehensive coverage about how pneumonia is contracted, how to treat it, and much more.
Pneumonia: Reducing Your Risk
Surgery increases your risk of pneumonia. Learn more from WebMD about lowering your risk of pneumonia following surgery.
Chemical pneumonia is an unusual type of lung irritation caused by poisons or toxins. Find out more.
What Is Pneumonia?
WebMD explains pneumonia, a contagious lung infection.
Pneumonia Diagnosis and Treatment: What to Expect
Pneumonia is an infection of the air sacs in your lungs. WebMD explains its diagnosis and treatment.