Ignacio Obando , Carmen Muñoz-Almagro, Luis A. Arroyo, David Tarrago, David Sanchez-Tatay, David Moreno-Perez, Sahar S. Dhillon, Cristina Esteva, Susanna Hernandez-Bou, Juan J. Garcia-Garcia, William P. Hausdorff, and Angela B. Brueggemann
Author affiliations: Virgen del Rocio Children’s Hospital, Seville, Spain (I. Obando, L.A. Arroyo, D. Sanchez-Tatay); Sant Joan de Deu Hospital, Barcelona, Spain (C. Muñoz-Almagro, C. Esteva, S. Hernandez-Bou, J.J. Garcia-Garcia); Spanish Reference Laboratory for Pneumococci, Madrid, Spain (D. Tarrago); Carlos de Haya Children’s Hospital, Malaga, Spain (D. Moreno-Perez); University of Oxford, Oxford, UK (S.S. Dhillon, A.B. Brueggemann);; GlaxoSmithKline Biologicals, Rixensart, Belgium (W.P. Hausdorff);
Figure 1. Annual number of pediatric parapneumonic empyema (PPE) cases among children <14 years of age admitted to Seville and Malaga hospitals from 1998 to June 2006 (combined prospective and retrospective data) and among children <18 years of age admitted to a Barcelona hospital from October 2003 through June 2006. *October 1, 2003, through December 31, 2003.
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