Can You Spread The Flu Before You Know You're Sick? | The Doctors Host Dr. Travis Stork

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Playing Can You Spread The Flu Before You Know You're Sick? | The Doctors Host Dr. Travis Stork

Can You Spread The Flu Before You Know You're Sick? | The Doctors Host Dr. Travis Stork

We all know you're contagious when you're coughing or sneezing — but can respiratory viruses, like the flu, spread before you even know you're sick?

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