Objective To explore the etiology and clinical characteristics in hospitalized children with community-acquired pneumonia(CAP)in Yancheng. Methods Retrospective analysis of the clinical date of 541 chileren with CAP in pediatrics respiratory department of Yancheng Maternity and Child Health Care Hospital from October 2014 to September2015.Multi pathogen detection during hospitalization included:7kinds of common respiratory virus antigens,myconplasma(MP)pneumonia IgM antibody,anti-Epstein-Barr virus antiboby...