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Background Worldwide, pneumonia is the leading cause of death in children <5 years of age and the second most common reason for hospitalization in children in the United States and Europe. This study was designed to describe the clinical characteristics and etiology of community-acquired pneumonia (CAP) in children. Methods We conducted a prospective, multicenter, observational study of CAP among previously healthy children aged 2 months through 18 years in six children’s hospitals in Ohio. Blood, pleural fluid, and nasopharyngeal swabs were collected for pathogen detection by culture and/or molecular diagnostics. Patient clinical management including antibiotic therapy and respiratory support, followed the standard of care at each study site. Follow-up information regarding clinical outcomes was collected via a survey 6–8 weeks after enrollment. Results We enrolled 441 children (n = 380, 86% hospitalized) with CAP from 2015 to 2018. Median age was 5 years (IQR: 2.1–8.9y). Intensive care and respiratory support were required for 15% and 49% of children, respectively. Consolidation and pleural effusion were identified in 26% and 21%, respectively. Among hospitalized children, 99% received antibiotics during hospitalization, and 91% continued antibiotic treatment at discharge. There were no children with any kind of sequelae or deaths from CAP, but 4.4% were readmitted within 30 days after discharge. Pathogens were identified in 64% patients; including pyogenic bacteria in 4%, atypical bacteria in 9%, and viruses in 56%. A total of 18 (4%) children had both bacterial (9 pyogenic and 9 mycoplasma) and viral pathogens. Among children with a virus detected (n = 245), 17% had more than one virus. The most commonly detected bacteria were M. pneumoniae (n = 39) and S. pneumoniae (n = 10). Rhinovirus was the most common virus detected (RV; n = 81, 28%), followed by respiratory syncytial virus (RSV; n = 75, 26%). Conclusion In this multicenter cohort, the most commonly detected viruses in children with CAP were RV and RSV, and M. pneumoniae and S. pneumoniae among bacteria. Clinical outcomes in children with CAP were overall good, but there was a high burden of hospitalization and antibiotic use. Disclosures Octavio Ramilo, MD, Bill & Melinda Gates Foundation: Research Grant; Janssen: Research Grant; Merck: Advisory Board; NIH: Research Grant; Ohio Children’s Hospital Association (OCHA): Research Grant; Pfizer: Advisory Board, Consultant, Lectures; Sanofi/Medimmune: Advisory Board.

open forum infectious diseases

2619. Clinical Characteristics and Etiology of Community-Acquired Pneumonia in Children: A Contemporary, Prospective, Multicenter Study in Ohio, 2015–2018