Virus variation

Objective : To establish an influenza surveillance system in the whole army , and to obtain the epidemiologic data of influenza , the trend of virus variation and epidemic , thus to carry out influenza forecast and prediction .

目的：建立全军流感监测系统，获得流感流行病学数据和病毒变异及流行趋势，实施流感预测预报。

Factors influencing the theraputic effects of interferon such as types of interferon , regimens , dosage , duration , patients'factors , influence of viruses , virus variation , drug antibody , and combined treatment were reviewed by the authors .

本文对影响干扰素治疗病毒性肝炎疗效的有关因素从药物因素、治疗方案、病人因素、不同病毒的影响及病毒变异、药物抗体、联合用药等诸方面进行综述，从而为提高临床应答率提供参考。

Frequent virus variation is the major cause of influenza epidemics .

摘要流感病毒的不断变异是造成流感经常流行的主要原因。

Detection of Human Herpesvirus 8 Infection and the Virus Variation in Patients with AIDS in Guangzhou Region

广州地区艾滋病患者中人类疱疹病毒8感染及部分序列的检测

IBV is known to have high potential of point mutation , gene recombination , gene deficiency and gene insert which induce the virus variation .

由于病毒自身基因组易发生点突变、基因缺失、插入及重组，导致病毒不断产生变异，新的血清型和基因型不断出现。

The treatment which is listed above is almost the mainstream treatment of hepatitis B , hepatitis B virus variation trend is difficult assess , so no one can eradicate it Almighty .

根治慢性乙肝的未来趋向，预测如何最终解决慢性乙肝的防治尚有困难，因为还需要更多的时间和实践。

Correlation analysis of type A influenza virus genetic variation characteristic with survival selective pressure

甲型流感病毒基因变异与生存选择压力相关性分析

Study on Chinese Herb Medicine of Anti-Avian Influenza Virus and Variation of M2 Gene Induced by Amantadine Hydrochloride

禽流感的流行现状及中草药治疗抗禽流感病毒中药及盐酸金刚烷胺诱导M2基因变异的研究

Objective Study the relationship between type A influenza virus genetic variation with survival selective pressure , help for the finding of possible vaccine conserved antigen target .

目的研究甲型流感病毒基因变异与生存选择压力的关系，指导保守疫苗靶位点的寻找。

The study of pathogenesis of porcine parvovirus were focused on the process of viral replication and infection , while the relationship between cells and virus , variation of cytokines of host cell infected with porcine parvovirus have not been reported .

对于猪细小病毒致病机制的研究多集中在病毒的复制及感染过程，而对病毒与细胞间的作用关系、猪细小病毒感染引起宿主细胞因子的变化规律的研究尚未见报道。

The computer virus damage to the meteorological operational network and the computer virus 's variation tendency are analyzed .

简要地介绍了对气象业务网络危害极大的计算机病毒，分析了计算机病毒发展的趋势。

[ Conclusion ] Children infected with HBV usually had common features included no symptoms and chronically carrying virus . The recovery basically depends upon the level of HBV duplication virus variation and resistibility of the body .

〔结论〕儿童感染HBV，大多呈无症状和慢性带毒特点，其最终疗效取决于HBV复制水平、病毒变异和机体的免疫状态。

Recent years the flu virus from spreading , the urgent need for new anti-influenza drugs , and influenza virus antigen has been variation , making it difficult to play a good role in Western medicine .

近年来由于流感病毒的肆虐，迫切需要新型的抗流感新药，而流感病毒的抗原又不断变异，使得西药难以发挥理想的作用。