Masks explained by an actual expert
2:13
Masks explained by an actual expert
2020年7月2日
USATODAY
When you’re in public, wear a mask that covers your nose AND mouth to help protect others and slow the spread of COVID-19. Learn how to wear your mask correctly: https://bit.ly/2XdSp61. | CDC
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When you’re in public, wear a mask that covers your nose AND mouth …
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101K reactions · 7.5K shares | This is when and how children should wear a mask during COVID-19. | World Health Organization (WHO) | Facebook
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