route of infection

One route of infection into China is through trade of cattle between Russia and China and the other is from Australia to Shanghai China to introduce well-bred cattle.

根据记录的流行病学资料，CBPP有可能通过两种途径传入中国，一种是通过我国与俄罗斯边境牛只贸易，另一种是从澳大利亚引进良种牛在上海入境后传入我国。

the literatures are reviewed and the etiology and route of infection is discussed.

我们将藉此回顾一下有关坏死性筋膜炎的文献.

Detection of TT virus infection in different population and analysis of transmitted route

不同人群输血传播病毒感染的检测和传播途径分析

The GDM infection mostly includes urinary and respiratory route infection, vaginitis of trichomonas and mycosis.

GDM感染主要以尿路感染、呼吸道感染、霉菌性阴道炎为主。

Although the first SARS epidemic was successfully controlled, it remains a potential threat to human due to its mysterious source of initial infection, its unknown animal host and unknown route of transmission.

尽管目前SARS的流行已经得到控制，但迄今为止，SARS的起源、动物宿主、传播途径及致病机理等仍不完全清楚，SARS对人类的威胁依然存在。

Objective To investigate TT virus ( TTV) infection in serum and breast milk of pregnant women in Yancheng and its transmitting route.

目的了解盐城地区孕产妇血清及乳汁中TT病毒（TTV）感染状况，探讨TTV的传播途径。

Study of the vertical transmission route of the asymptomatic human papillomavirus infection

亚临床型人乳头瘤病毒感染垂直传播途径的研究