Etiological analysis on infantile diarrhea in Guangming New District from 2011 to 2013

Objective: To understand the epidemiological characteristics of diarrheal pathogens in children under five years old in the hospital,and provide reference for preventing infantile diarrhea. Methods: The infectious diarrhea cases in Guangming New District from September 2011 to August 2013 were analyzed through isolation,culture and identification of pathogens,the risk factors of pathogenic bacteria were analyzed. Results: A total of 1 435 infants were diagnosed as infectious diarrhea in Guangming New District,including 1 136infants with viral diarrhea and 299 infants with bacterial diarrhea. The main pathogen of viral diarrhea was rotavirus,accounting for 78. 6%,the incidence rates of viral diarrhea from May to December were the highest; the main pathogen of bacterial diarrhea was Escherichia coli,accounting for 20. 8%,the incidence rates of bacterial diarrhea from May to November were the highest,the peak occurred in May; most of the infants with diarrhea were scattered and migrant infants,the proportion of boys was significantly higher than that of girls. Conclusion: Rotavirus and Escherichia coli are the main pathogenic bacteria in this area,the scattered and migrant infants are the high-risk population of infantile diarrhea.