Tag
flu prevention science
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When Are You Contagious With the Flu? The Hidden Timeline That Changes Everything
The flu doesn’t wait for you to feel sick. By the time you cough into your sleeve, the virus has already been hitching rides on your hands, surfaces, and...
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How Long Is the Flu Contagious? The Science Behind When It Spreads
The flu isn’t just a seasonal nuisance—it’s a stealthy, shape-shifting pathogen that exploits human behavior. Most people assume they’re only contagious when...