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。
Less frequently, it is due to infection through blood transfusion, vertical transmission (from infected mother to child) or organ donation.
在较少的情况中，通过输血，纵向传播(母婴感染)或器官捐献也造成感染。
Conclusions: UU infection during the period of pregnancy can affect the embryonic development and result in the low body weight of new life through vertical transmission.
结论：妊娠期uu感染可通过垂直传播方式影响子代发育，导致出生低体重。
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