To investigate immunity to rubella virus of the fertile women living in Zhangjiakou city.

调研张家口市育龄妇女风疹的免疫水平.

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Objective : To study the effect of nasal mucosa damage on re - infection of rubella virus.

目的研究鼻粘膜损伤对风疹病毒再感染的影响.

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