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搜题
【单选题】
为防止伤寒病的地区性流行，在当地采取哪项措施是不正确的（）A.
隔离患者
B.
集体预防服药
C.
突击消灭苍蝇
D.
给易感染者注射伤寒疫苗
E.
加强粪便管理
拍照语音搜题，微信中搜索"皮皮学"使用
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