Pneumonia is an infection that impacts the lungs, most commonly caused by a bacteria called pneumococcus. Dr. Yusaf Kasiyre, internal medicine physician at Marshfield Medical Center-Park Falls, explains what pneumonia is, talks about the pneumonia vaccine and the groups that are most at risk of pneumonia. Learn more about pneumonia here: https://shine365.marshfieldclinic.org/wellness/pneumonia/?utm_source=facebook&utm_medium=social&utm_campaign=primarycare-1pf&utm_content=pneumonia | Marshfield