Chronic Obstructive Pulmonary Disease
Self-Care See All Immunizations See All Smoking Cessation See All Emotional Support See All Influenza (Flu) in Immunizations Influenza, or flu, is a respiratory tract infection that spreads easily. It is caused by a virus. ...more Pneumonia in Immunizations Pneumonia is an infection of one or both of the lungs caused by bacteria, viruses, fungi, or chemical irritants. It is a serious infection or inflammation in which the air sacs fill with pus and other liquid.