• The most urgent health need now is to prevent outbreaks of infectious disease, and particularly of water-borne diseases such as diarrhoeal diseases, dysentery and typhoid.

    目前紧急卫生需要预防传染病特别是腹泻痢疾伤寒水源疾病暴发

    youdao

  • The most urgent health need now is to prevent outbreaks of infectious disease, and particularly of water-borne diseases such as diarrhoeal diseases, dysentery and typhoid.

    目前紧急卫生需要预防传染病特别是腹泻痢疾伤寒水源疾病暴发

    youdao

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