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Tuesday, 15 Dec 2020 07:33 AM MYT What type of mask is best for halting the spread of the coronavirus? Lepro / IStock.com pic via AFP Subscribe to our Telegram channel for the latest updates on news you need to know. CHAPEL HILL, Dec 15 Face masks have become part of everyday life since the onset of the pandemic, but they should be chosen with care to effectively limit the spread of covid-19. A research team in the US has investigated the filtration efficiency of various types of mask worn by the public and professionals. They found that when worn properly, certain nylon masks could be up to 79 per cent effective at blocking particles that could carry the virus.

Phillip clappLepro istockHealth administration osha fit testSchool of medicineCarolina school of medicineUs environmental protection agencyProtection agencyNorth carolina schoolOccupational safetyHealth administrationJama internal medicineபிலிப் கைதட்டல்பள்ளி ஆஃப் மருந்துகரோலினா பள்ளி ஆஃப் மருந்துவடக்கு கரோலினா பள்ளிதொழில் பாதுகாப்பு