An August 2020 review by a German professor in virology, epidemiology and hygiene found that there is no evidence for the effectiveness of cloth face masks and that the improper daily use of masks by the public may in fact lead to an increase in infections.
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WHO Western Pacific, gives correct guidelines. Trump pulled out America's support from WHO because Tedros is owned by Bill Gates, and with US support out, the main funder for Tedros's WHO is Bill Gates. https://t.co/6oRmJyZyDT

If you do not have any respiratory symptoms, such as fever, cough, or runny nose, you do not need to wear a medical mask. When used alone, masks can give you a false feeling of protection and can even be a source of infection when not used correctly. \u27a1\ufe0fhttps://t.co/0nyHux1SgN pic.twitter.com/JDQhnowx3p
— World Health Organization Western Pacific (@WHOWPRO) March 26, 2020