結果 : how long is a cold virus contagious on surfaces
3:25

WATCH: How long do cold and flu viruses stay contagious on surfaces?

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How Long Is the Flu Contagious? | How Long does the Flu Live on Surfaces?

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Valley doctor explains how long viruses can last on surfaces

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Good Morning America
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Healthy Blue South Carolina
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WTKR News 3
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Medical-Question
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Duke-NUS
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How LONG do germs LIVE on surfaces?! 🦠 #shorts

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Cold or Flu Contagious - Penn State Health Family Medicine 3

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How long is a cold contagious? #Cold #viralinfection #coldvirus

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