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孕妇在流感大流行中发病率高的情况早有报告,但对她们免疫接种的保护作用尚缺乏充分研究。本文作者借大规模使用A/New
The high incidence of pregnant women in the influenza pandemic has long been reported, but the protection of their immunization is still not fully studied. The author of this paper borrows large-scale use of A / New