In 1998, community-acquired pneumonia was 6th leading cause of death
Community-acquired pneumonia is the sixth leading cause of death in the U.S. and the number-one cause of death from infection.
Mortensen, Eric M., Wishwa M. Kapoor, Chung-Chou H. Chang, and Michael J. Fine. Assessment of Mortality After Long-Term Follow-Up of Patients with Community-Acquired Pneumonia. Clin Infect Dis. 2003; 37(12): 1617-24. http://cid.oxfordjournals.org/content/37/12/1617.full