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?
Pneumonia is the infection and inflammation of air sacs in your lungs. These air sacs, called alveoli, can fill with fluid or pus, causing a serious cough and fever. Learn more about pneumonia at WebMD.
6 Serious Complications of Pneumonia You Should Know
When you get pneumonia -- whether it was caused by a bacteria, virus, or fungus -- there's a chance it could lead to other medical troubles. Find out what kinds of problems pneumonia can lead to and the types of treatment you may need.
Pneumonia Diagnosis and Treatment: What to Expect
Pneumonia is an infection of the air sacs in your lungs. WebMD explains its diagnosis and treatment.
Types of Pneumonia
Learn about the symptoms for bacterial, viral, and fungal pneumonia, and find out what you need to do get better.
Slideshows & Images
Home Treatments for Pneumonia
While you’re getting over pneumonia, there are a lot of ways to ease the cough, aches, and fever as your health improves.
The Lungs (Human Anatomy): Picture, Function, Definition, Conditions
WebMD's Lungs Anatomy Page provides a detailed image and definition of the lungs. Learn about lung function, problems, location in the body, and more.