Second Opinion with Joan Lunden S08E09 - Pneumonia

Pneumonia is an infection of the lungs that is usually caused by bacteria or viruses. Globally, pneumonia causes more deaths than any other infectious disease. It can often be prevented and can usually be treated. Every 20 seconds, somewhere in the world, a child dies from pneumonia. Many of these deaths are preventable through vaccination and appropriate treatment. Pneumonia causes mild to severe illness in people of all ages.