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While the chart may not be totally correct, it doesn’t change the fact that a face mask remains a protective device against the viruses expelled through coughing or sneezing.
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https://www.snopes.com/fact-check/covid-19-mask-efficacy-chart/
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While the chart may not be totally correct, it doesn’t change the fact that a face mask remains a protective device against the viruses expelled through coughing or sneezing.
More mask research: Face coverings can substantially reduce #coronavirus transmission risk. A face covering can reduce the *forward distance* of an exhaled breath by more than 90% according to researchers in the UK https://t.co/W80igSqgyJ pic.twitter.com/VkJw7kh3na
— delthia ricks 🔬 (@DelthiaRicks) May 25, 2020
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https://www.snopes.com/fact-check/covid-19-mask-efficacy-chart/
What about the exposed eyes?