結果 : how long contagious before symptoms flu
1:03

How long are individuals contagious with a cold or flu?

Premier Health
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2:59

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How Long Are Cold, Flu Symptoms Contagious?

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0:48

How long are you contagious for when you have the flu or a cold?

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

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3:25

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

PBS NewsHour
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7:09

बर्ड फ्लू के लक्षण कारण और बचाव ll Bird flu symptoms, causes and prevention #birds #birdflu

Archana Dubey Health Lab
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HOW LONG IS FLU CONTAGIOUS? How Long Do Symptoms Last? Should You Take Tamiflu? A Doc Discusses

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How Long is the Flu Contagious? A Doctor Answers

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How Long Does The Flu Last and How Long am I Contagious - Beaumont Emergency Center

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COVID-19 vs. Flu vs. RSV: How to tell the difference between respiratory infections

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How Long Does The Flu Last and How Long am I Contagious Elite Care Emergency Room - League City

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Cold vs. Flu 🤧🦠with Infectious Disease Specialist Dr. Husam Issa

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Cold or Flu Contagious - Penn State Health Family Medicine 3

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How Long are the Cold and Flu Contagious?

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How to tell the flu from a cold

Global News
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How long are you contagious for?

WXYZ-TV Detroit | Channel 7
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