This paper is reviewed from virology, epidemiology, risk factors, the pathogenic mechanism of BK virus and the clinical features, diagnosis, treatment of BKVAN.

本文从BK V病毒学、流行病学、治病的高危因素、致病机理及BKVAN的临床特点、诊断及治疗等方面对本病加以综述。

youdao

In addition, the early decomposition from tobacco roots may contain pathogenic factors that may increase the risk of tobacco susceptibility.

另外，烟草根系早期腐解物中可能存在致病因子，增加了烟草的感病几率。

youdao

From symptom analysis and clinical experience , we inquire into its Pathogenic factors and pathogenesis that is : the fundamental is insufficiency of both the blood and the vital energy ;

现从症状分析和临床经验入手，探讨银屑病的病因病机是：气血虚弱为本；

youdao