2 0 0 0年 10月 3日早上 9时 ,筠连县燎原村二组发生一起沙门氏菌食物中毒。 440人进餐后 2 6 7人发病 ,罹患率6 0 6 8% ,其中男 14 3人 ,女 12 4人。年龄最大 77岁 ,最小的3岁。临床表现 :潜伏期 9～ 13小时 ;有腹泻症状 2 6 7人 ,占10 0 % ;呕吐的 178人 ,占 6 6 6 7% ; At 10:00 on October 3, 2000, a salmonella food poisoning occurred in the two groups of Liaoyuan Village in Junlian County. The incidence of 267 people after eating 440 persons was 6.068%, including 143 males and 124 females. The oldest is 77 years old, the youngest is 3 years old. Clinical manifestations: the incubation period of 9 to 13 hours; diarrhea symptoms of 267, accounting for 10%; 178 vomiting, accounting for 6 6 6 7%;