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  • The low efficiency of breast milk transmission is due mostly to the small amount of infectious virus in milk.

    哺乳传播的低概率是因为母乳中病毒含量很低。

    youdao

  • The low efficiency of breast milk transmission is due mostly to the small amount of infectious virus in milk.

    哺乳传播的低概率是因为母乳中病毒含量很低。

    youdao

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