1993年10月中旬，昌江县、信州市发生一些急性水样腹泻病人，经省卫生防疫站和有关县市防疫站的深入调查处理，对患者粪便标本进行检验，结果发现二例腹泻病人感染新的霍乱菌型（霍乱弧菌O139血清型）目前没有发生第二代病人。这次检出的菌株经中国预防医学科学院流行病学微生? In mid-October 1993, some acute watery diarrhea occurred in Changjiang County and Shinshu City. After thorough investigation and treatment of the provincial health and epidemic prevention stations and relevant county and city epidemic prevention stations, the stool specimens of patients were examined. As a result, two cases of diarrhea patients were newly infected The second generation of cholera cases (Vibrio cholerae O139 serotype) are not currently present. The strains detected by the Chinese Academy of Preventive Medicine epidemiology of micro-organisms?