www.nlm.nih.gov/medlineplus/infectiousdiseasesgeneral.html
#generaloverviews

• general information on Infectious Diseases from the National Institute of Health (U.S.)

www.lung.ca/pneumonia/

• causes, prevention, and treatment; from the Canadian Lung Association (U.S.)

www.lungusa.org/diseases/lungpneumoni.html

• - types of pneumonia, treatment, and prevention; from the American Lung Association(U.S.)