人在感冒的时候 哪个阶段传染性最强？

in cn •  8 months ago 

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感冒潜伏期通常为2-4天，当感冒出现恶寒、发热、头痛打喷嚏等症状时，病原体已经在呼吸道大量繁殖。尤其是感冒出现症状后的前2-3天，此时病原体活性最强、数量最多，传染性较强。

cn zzan dblog
8 months ago by

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