The Volatile Nature of Pneumococcal Serotype Epidemiology: Potential for MisinterpretationBlack, Steve MDThe Pediatric Infectious Disease Journal: April 2010 - Volume 29 - Issue 4 - p 301-303 doi: 10.1097/INF.0b013e3181c391fb Commentary Author Information From the Division of Infectious Disease, Center for Global Health, Cincinnati Children's Hospital, Cincinnati, OH. Accepted for publication September 29, 2009. Address for correspondence: Steve Black, MD, Division of Infectious Disease, Center for Global Health, Cincinnati Children's Hospital, 3333 Burnet Ave MLC 2048, Cincinnati, OH 45229. E-mail: Steven.Black1@cchmc.org. © 2010 Lippincott Williams & Wilkins, Inc.