Tag
flu contagious days
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How Long Is Flu Contagious? The Science Behind Transmission Risks
Public health data reveals a startling truth: children and adults can shed flu viruses for days before symptoms appear, and in some cases, up to a week after...
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How Long Flu Contagious? The Science Behind Viral Spread
What’s often overlooked is the flu’s stealth phase. You might feel fine—no cough, no aches—yet still be spreading virus. A 2020 study in The Journal of...