Cloth Mask Won’t Keep Out COVID-19

Professor of Global Health provides references studies demonstrating ineffectiveness of mask; virus size, poor filtering and fit performance of cloth masks and very low effectiveness for cloth masks in health care settings. Concluding that cloth masks offer no protection for health care workers inhaling infectious particles near an infected or confirmed patient.
https://www.abqjournal.com/1453703/that-cloth-mask-wont-keep-out-covid19.html

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