社交疏離有助防疫: 食物及衞生局局長高永文說,全城戴口罩有助遏止流感疫情,此舉既可防止飛沫傳播,也製造「社交疏離」,減少人與人接觸,從而降低疾病傳播的機會,至於是否有此需要,專家之間有不同意見。… http://dlvr.it/8SwmlW #新聞網
7:18 AM - 9 Feb 2015
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