研究結果：マスクをしても病院内のCOVID-19感染率に差はなかった

Were masks in hospitals a waste of time? Hated NHS policy made 'no difference' to Covid infection rates, study finds https://www.dailymail.co.uk/health/article-11946447/Masks-hospitals-no-difference-Covid-infection-rates-study-finds.htmlRequirement to wear masks in hospitals may have little impact on COVID-19 transmission during Omicron wave, UK study suggests https://www.eurekalert.org/news-releases/985233Twitterhttps://mobile.twitter.com/re_awake_jp

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