Pneumonia is an infectious lung disease. It can often be controlled with medicine or vaccines, but is still the leading infectious cause of death in children less than 5 worldwide.
The disease can be caused by bacteria, viruses, and fungi. In the United States, common causes of the disease are the influenza virus, respiratory syncytial virus (RSV), and the bacterium Streptococcus pneumoniae. It can also be caused by being on a ventilator.
Common signs/symptoms of pneumonia include cough, fever, difficulty breathing, and occasionally vomiting and pain in the chest and abdomen.
The disease is treated using antibiotics and therapy, such as drinking plenty of fluids and getting lots of rest.
Good ways to prevent pneumonia and other respiratory infections include following good hygiene practices, such as washing your hands regularly and disinfecting frequently touched surfaces. Ways to lower your chances of getting the disease include taking good care of your medical problems and not smoking.