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A comment on YouTube bans coronavirus vaccine misinformation. Parent comment
https://www.worldometers.info/coronavirus/country/japan/
The science you are referring to is very weak. The only randomized trial on cloth masks was completed in 2015.
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https://www.worldometers.info/coronavirus/country/japan/
The science you are referring to is very weak. The only randomized trial on cloth masks was completed in 2015.