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Difference between surgical and N95 mask characteristics straight from CDC: https://www.cdc.gov/niosh/npptl/pdfs/UnderstandDifferenceInfographic-508.pdf https:

by bitL 7y ago

Difference between surgical and N95 mask characteristics straight from CDC: https://www.cdc.gov/niosh/npptl/pdfs/UnderstandDifferenceInfographic-508.pdf https://www.cdc.gov/niosh/npptl/pdfs/UnderstandDifferenceInf...