1991年9月在丹东市五龙背毛绢厂发生一起痢疾暴发,采集流行区病人标本31份,检出痢疾杆菌16株,检出率为51.6％,经生化、血清学鉴定均为福氏2a 型志贺氏痢疾杆菌。检出的16株痢疾杆菌对痢特灵、先锋霉素、卡那霉素、庆大霉素,氯霉素、多粘菌素、利福平、丁胺卡那霉素及新霉素均敏感,而对四环素、链霉素、红霉素、羧苄青霉素、氨苄青霉素及磺胺增效剂呈现耐药。 September 1991 in Dandong City Wulong back hair silk factory with a dysentery outbreak, collecting samples of endemic areas 31 samples were detected Shigella 16, the detection rate was 51.6%, biochemical, serological identification are Frees Type 2a Shigella dysenteriae. The 16 strains of dysentery bacillus detected were positive for furazolidone, cephamycin, kanamycin, gentamicin, chloramphenicol, polymyxin, rifampin, amikacin and neomycin Sensitive, and tetracycline, streptomycin, erythromycin, carbenicillin, ampicillin and sulfa synergist showed resistance.