Abstract: Objective:To investigate the respiratory virus infection in hospitalized children with pneumonia in Ji′nan area in order to provide evidence for clinical diagnosis and treatment.Methods:From December 2014 to February 2015 in the Affiliated Hospital of Shandong University of Traditional Chinese Medicine,the clinical data of 208 hospitalized children with bronchial pneumonia were collected.The common respiratory tract virus was detected by direct immunofluorescence assay in the nasal secretions of the patients,including respiratory syncytial virus,adenovirus,influenza virus and parainfluenza virus.Results:The male infection rate was 68.47%(76/111)in 208 cases,and the female infection rate was 67.01%(65/97).The difference was not statistically significant(P>0.05).In 208 cases of bronchial pneumonia children,respiratory virus infection occurred in 141 patients(67.79%),in which there was single virus infection in 56 cases(39.7%),2 or more than 2 kinds of virus infection in 85 cases(60.29%);the infection rate of respiratory syncytial virus and influenza A was the highest.The infection rate was 77.42%(48/62)in children under 3 years old,61.42%(78/127)in children aged 3 to 6 years,and 78.94%(15/19)in children over 6.Conclusion:Respiratory tract virus and influenza virus A are the main pathogen of infection in children with pneumonia in Ji′nan area.

Key words: Pneumonia, Respiratory virus, Infection, Children