Analysis on epidemiological characteristics of public health emergencies of communicable diseases in cross border area of Yunnan Province from 2009-2013

[Objective]To understand the epidemiologic characteristics of public health emergencies of communicable diseases in cross border area of Yunnan Province, guide the prevention and control of communicable diseases in cross border area.[Methods]The data of public health emergencies of communicable diseases in cross border area of Yunnan Province from2009-2013, which were collected from the China disease prevention and control information system, were analyzed by descriptive epidemiology.[Results]Totally 110 public health emergencies of communicable diseases were reported in 25 border counties/cities, accounting for 16.72% of total events in Yunnan Province. 74.55% of the emergencies were general events(grade Ⅳ), there were 7 086 patients and 15 death cases, 446 213 people were involved, and the attack rate was 1.59%. There were 4 events of category A communicable disease, 46 events of category B communicable disease, 33 events of category C communicable disease and 27 events of other communicable disease, which respectively accounted for 3.64%, 41.82%, 30.00% and 24.54%. The peak seasons appeared March to May and September to December, most of cases were respiratory infectious diseases, such as chickenpox, and the events mainly occurred in schools. There were 6 foreign imported events, and all were from Burma.[Conclusion]Imported communicable disease events, especially public health emergencies of category A communicable diseases,are the key point and difficulty of disease prevention and control in cross border area of Yunnan Province.