Masks DON’T stop the spread of Covid: Top experts criticise ‘troubling lack of evidence’

19 novembre 2020 Non Par ADMIN

According to an article published on the website dailymail.co.uk on 19 novembre 2020 by ,

Oxford University’s Professor Carl Heneghan and Dr Tom Jefferson said there had been ‘a troubling lack of robust evidence on face masks and Covid-19’.

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