World Health Organization (WHO) published this video item, entitled “如何正确佩戴口罩” – below is their description.
在COVID-19大流行期间,正确佩戴口罩可降低感染COVID-19的风险。了解你的风险,降低你的风险。
更多信息:www.who.int/epi-win
World Health Organization (WHO) YouTube Channel
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