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.
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.
Do I Have Pneumonia?
WebMD's guide to the symptoms of pneumonia.
Pneumonia Vaccine: Should I Get It?
Some people should protect their health by getting a pneumonia vaccine. Find out if you’re at risk for pneumonia because of your age, illness or injury.