经蛋传试验表明，该株病毒有可能经胚蛋垂直传染。
一项研究表明，与服用安慰剂妇女25%的传染率相比，使用齐多夫定的产妇垂直传染率被减少到8%。
A study shows it cuts the rate of maternal transmission to 8% - in women taking a placebo the rate was 25%
传染病动力学模型的分析与研究是当今的热点问题之一，本文构造了两类具有垂直传染的SIRS传染病模型。
It becomes one of the hot issues to analyse and study the infectious disease dynamic model. Two kinds of SIRS infectious disease models with vertical infection were constructed in the article.
传染病动力学模型的分析与研究是当今的热点问题之一，本文构造了两类具有垂直传染的SIRS传染病模型。
It becomes one of the hot issues to analyse and study the infectious disease dynamic model. Two kinds of SIRS infectious disease models with vertical infection were constructed in the article.
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