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Continue to ChatHow effective are masks in preventing the spread of SARS-CoV-2? https://israelnational.news/how-effective-are-masks-in-preventing-the-spread-of-sars-cov-2.html
How effective are masks in preventing the spread of SARS-CoV-2? https://israelnational.news/how-effective-are-masks-in-preventing-the-spread-of-sars-cov-2.html