Analysis of food poisoning in Gansu from 2004 to 2010

Objective Analyze the patterns and epidemic characteristics of food poisoning event of Gansu in during 2004-2012. Methods Descriptive epidemiology was used to analyze food poisoning data from the report system of emergent public health event of Gansu province from 2004 to 2012. Results A total of 78 food poisoning events were reported with 2 508victims,and the fatality rate was 2. 15%( 54 /2 508). Reported cases mostly occurred in the second,third quarter,especially the August. Poisoning incidents occurred mostly in the families,accounting for 41. 03%( 32 /78) of the total cases. Food poisoning incidents and cases caused by bacterial accounted for 33. 33%( 26 /78) and 60. 41%( 1 515 /2 508)of the total. The deaths were mostly caused by toxic chemicals,accounting for 62. 96%( 34 /54) of all deaths. Conclusion Bacteria was the primary factor of food poisoning,while pesticide and poisons was the main cause of deaths.