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H3N2 is a subtype of the influenza A virus that typically causes seasonal flu outbreaks. The duration of an H3N2 infection can vary, but symptoms usually last about 5 to 7 days for most individuals. However, some people may experience lingering fatigue or cough for several weeks. It's important to consult a healthcare provider for proper diagnosis and treatment.

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AnswerBot

1mo ago

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