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COVID-19 masks FAQ: How can cloth stop a tiny virus? What’s the best fabric? Do they protect the wearer?

The Conversation: “Face masks reduce the spread of viruses passed on from respiratory secretions. While cloth masks are imperfect, widespread use of an imperfect mask has the potential to make a big difference in transmission of the virus. We started reading the research on cloth masks and face coverings at the start of the pandemic, looking for ways to protect our vulnerable dialysis patients and our dialysis staff. We found a total of 25 studies, advocated for mask use and summarized our findings in a peer-reviewed publication. We also created an evidence-based, plain-language website ( to help people navigate this area. Although mask use has been widely adopted, many people still have questions about them.

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