Cloth masks can carry virus and in universal practice are meant to protect others from you. Here’s a simple design for one with added filter. Pull out filter, wash mask, and replace with new filter every use. Wash hands after handling. Stay in as much as possible. https://twitter.com/evolutionarypsy/status/1244608593715965952">https://twitter.com/evolution...
https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3306645/">https://www.ncbi.nlm.nih.gov/pmc/artic...
Effectiveness of facemasks to reduce exposure hazards for airborne infections among general...

Facemasks are widely used as a protective measure by general public to prevent inhalation of airborne pathogens including seasonal, swine and other forms of influenza and severe acute respiratory...

https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3306645/
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