The WHO says on their site via a document: "there is currently no evidence that wearing a mask (whether medical or other types) by healthy persons in the wider community setting, including universal community masking, can prevent them from infection with respiratory viruses, including COVID-19." And that masks may cause: • self-contamination that can occur by touching and reusing contaminated mask • depending on type of mask used, potential breathing difficulties • false sense of security, leading to potentially less adherence to other preventive measures such as physical distancing and hand hygiene • diversion of mask supplies and consequent shortage...
