Tag
flu symptoms vs. contagiousness
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The Flu’s Hidden Window: When Is the Flu Not Contagious?
What complicates matters is the flu’s dual nature: it’s both a respiratory and systemic infection, meaning it affects the lungs and the bloodstream. This...
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When Are You Infectious With Flu? The Science Behind Viral Spread
What’s more alarming is how easily the flu’s contagious window outpaces its symptoms. You might assume you’re safe because you don’t have a fever, but studies...