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The CDC has updated guidelines on face masks and reporting that exhalation valves or vents in masks do not help prevent the person wearing the mask from spreading COVID-19 to others, as the one-way hole in the material may allow expelled respiratory droplets from the exhaled air to reach others.
Home/The CDC has updated guidelines on face masks and reporting that exhalation valves or vents in masks do not help prevent the person wearing the mask from spreading COVID-19 to others, as the one-way hole in the material may allow expelled respiratory droplets from the exhaled air to reach others.
The CDC has updated guidelines on face masks and reporting that exhalation valves or vents in masks do not help prevent the person wearing the mask from spreading COVID-19 to others, as the one-way hole in the material may allow expelled respiratory droplets from the exhaled air to reach others.
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