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单项选择题男性,29岁,船民,不规则发热1周,持续高热5天,伴腹痛,腹泻每日2~4次,黏液便,于7月中旬住院。体检:体温39.8℃,神志清,反应稍迟钝,心率88次/min,肝脾肋下均可扪及2cm,质软。化验:WBC3.3×109/L,N0.59(59%),10.38(38%),M0.03(3%),大便光镜检WBC2~4/HP,拟诊伤寒。诊断伤寒,肥达反应有参考意义的抗体效价标准是()

A、"O"≥1:80,"H"≥1:160

B、"O"≥1:160,"H"≥1:80

C、"O"≥1:80,"H"≥1:320

D、"O"≥1:80,"H"≥1:80

E、"O"≥1:320,"H"≥1:320

  • A
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