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根据环境流行病学调查以及病原学的检验,报道了一起生活污水污染了水源水,经粪口途径感染,由嗜水气单胞菌引起的急性腹泻暴发,发病率为65%。其临床症状主要表现为:腹泻、腹痛、里急后重、乏力、头晕、噁心,病程较短(3~5天),少数病人可发生呕吐、发热,多数水样便和粘液稀便,少数脓血便,恢复期病人血清中可出现相应抗体,动物实验证实具有强烈的致病性和致死作用,说明了该菌株是产毒株。
According to the environmental epidemiological investigation and the etiological test, it was reported that a domestic sewage polluted the source water and was infected by the fecal oral route. The acute diarrhea outbreak caused by Aeromonas hydrophila was reported with a prevalence of 65%. Its clinical manifestations mainly include: diarrhea, abdominal pain, tenesmus, fatigue, dizziness, nausea, shorter duration (3-5 days), a small number of patients may occur vomiting, fever, most water samples and mucus loose stools, a small number of pus and blood, Corresponding antibodies may appear in the serum of convalescent patients, animal experiments confirmed that has a strong pathogenic and lethal effect, indicating that the strain is a toxigenic strain.