Abstract:

Objective To understand the epidemic characteristics of hand-foot- mouth disease, and analysis endemic factors and epidemic rules to provide evidences for prevention and control.. Methods Descriptive epidemiologic method was adopted to analysis the data of hand-foot-mouth disease in Langfang City from 2010 to 2012. Results A total of 16306 cases of hand-foot-mouth disease were reported from 2010 to 2012, including 15445 clinically diagnosed cases, 861 laboratory confirmed cases. For all the cases, 445 were serious and 8 were dead. The annual average morbidity was 129.22/100000, the incidence rate was 188.74/100000,81.79/100000 and 117.14/100000 from 2010 to 2012, respectively. The ratio of male to female was 1.56 ∶ 1. 88.90% of the cases were under 5 years old. Scattered children and kindergarten children accounted for 75.07% and 20.22%. The peak time of onset was from April to August, which accounted for 85.73% of the total cases. For the laboratory confirmed cases, EV71 type accounted for 48.66%, and CoxA16 type accounted for 32.29%. Conclusion It was found that hand-foot-mouth disease in Langfang from 2010 to 2012 presented obvious focus features in region, season and population, and coexisted the infection of EV71 and CoxA16, so scientific and standardized plans should be made according to endemic characteristics in monitoring and prevention control.

Key words: Hand-foot-mouth disease, Epidemiology, Epidemic situation analysis