Epidemiological Characteristics of Infectious Diarrhea in Dongguan,2011

Objective To analyze the epidemiological and etiological characteristics of infectious diarrhea in Dongguan city in 2011,and to provide basis for prevention and control measures. Methods Descriptive epidemiological analysis was conducted on the data of infectious diarrhea reported from national disease reporting information system in Dongguan,2011. Results Altogether 6,875 cases of infectious diarrhea were reported in 2011,with the incidence rate of 83. 63 / lakh,and 65. 76% of the cases were the children below 2 years old. The incidence peaked in October to December. A proportion of 9. 75% of the cases were laboratory- confirmed,among these cases rotavirus infection accounted for 94. 63%,and salmonella took 4. 03%. Children less than 2 years old accounted for 89. 12% of the rotavirus infection cases. Conclusion The children below 2 years old were the high-risk population of infectious diarrhea,and the incidence peaked in autumn and winter. Rotavirus was the major pathogen,especially among the children below 2 years old.