How well do wet masks contain droplets? Study shows damp masks still stop respiratory droplet penetration

Images from the high-speed footage showing what happens as droplets hit an increasingly damp surgical mask; the respiratory droplets form small beads on the mask’s surface, providing additional resistance for the impacted droplets against possible penetration. Credit: Bagchi et al

After studying the effectiveness of varying layers of masks in stopping respiratory droplets from escaping face masks, a team of international researchers has now turned their attention to modeling what happens to droplets when they come in contact with wet masks. Their results show that damp masks are still effective at stopping these droplets from escaping the mask and being atomized into smaller,…

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