【摘要】 目的　调查某村连续 4年发生的群体性不明原因疾病死亡的病因。方法　采用流行病学调查和现场采集样品检测的方法 ,综合分析 ,寻找原因。结果　调查结果分析提示某村先后 14人 2 4人次发生以抽搐为主要临床表现 ,并导致 4人死亡 ,中毒可能性最大 ,而且 ,在发病 (抽搐 )后 2个月的患者生物样品 (血、尿液 )中检出毒鼠强。数月后 ,公安部门抓获投毒犯王某。结论　善于独立思考和抓住问题实质分析是获得处理错综复杂的不明原因公共卫生事件成功的关键更多还原

【Abstract】 Objective To explore the causes of the congregative deaths from an unknown disease which occurred at a village in the successive 4 years in Guangdong. Methods The methods of epidemiological survey and fieldwork sampling were applied to find out the aetiology. Results Among the village, 24 person times in 14 persons including 4 deaths showed the characteristic clinical symptoms as convulsion seizure. It indicated that the most possible cause would be poisoning. Tetramine was detected in the biological samples such as blood and urine from the patients who convulsed 2 months ago. The poisoning criminal was arrested a few months later. Conclusion Independent thinking and analyzing the key of the problem are crucial to deal with the complicated and unknown public health emergency.更多还原