RT Book, Section A1 Arnold, Sandra R. A1 Chesney, P. Joan A2 Rudolph, Colin D. A2 Rudolph, Abraham M. A2 Lister, George E. A2 First, Lewis R. A2 Gershon, Anne A. SR Print(0) ID 7027550 T1 Chapter 280. Pneumococcal Infections T2 Rudolph's Pediatrics, 22e YR 2011 FD 2011 PB The McGraw-Hill Companies PP New York, NY SN 978-0-07-149723-7 LK accesspediatrics.mhmedical.com/content.aspx?aid=7027550 RD 2024/03/18 AB Streptococcus pneumoniae, Staphylococcus aureus, and group A Streptococcus pyogenes are the three most important bacterial pathogens causing infections in otherwise well children. In 2005 it was estimated that S pneumoniae caused 700,000 to 1 million deaths in children younger than 5 years of age. Most of these children lived in developing countries.1