As influenza viruses pass from one person, or bird, to another, they normally pick up random changes in their genes because of errors in viral replication.
当流感病毒由一个人或一只鸟传给另一个人或鸟时，由于病毒复制错误，它们通常会带上基因中的随机变化。
Antibiotics work against bacteria, not viruses, yet patients who press their doctors to prescribe them for viral infections such as colds or influenza are seldom harmed by their self-indulgence.
抗生素只对细菌起作用，而非病毒。虽然那些因病毒感染而患上感冒或流感的病人经常要求医生给他们开抗生素，但他们很少因为这一放纵行为受太大影响。
Swine influenza (swine flu) is an acute viral infection of the respiratory tract in pigs caused by type A influenza virus.
猪流感是一种发生在猪身上的高度传染性急性呼吸道疾病，由A型流感病毒引起。
Viral bronchitis may be caused by a number of common viruses, including the influenza virus.
病毒性支气管炎是由很多普通病毒引起，包括流感病毒。
Avian influenza (AI) is an infectious viral disease of birds (especially wild water fowl such as ducks and geese), often causing no apparent signs of illness.
禽流感是鸟类病毒性传染病(特别是鸭子和鹅等野生水禽)，通常导致无明显体征的疾病。
Since 2008 Google has used these inquiries to track influenza-like illnesses (ILIs) -as symptoms not backed up by a definitive viral test are officially known-among its users around the world.
从2008年开始，谷歌利用全世界用户搜索追踪类似流感的疾病(ILIS)——因为症状没得到官方认可的权威病毒实验的支持。
In most respects, smoke exposure worsened the host response to influenza. This animal model may be useful in studying how smoke worsens respiratory viral infections.
在更多的方面，被动吸烟恶化了宿主对流感的反应。本动物模型在研究吸烟如何恶化呼吸道病毒感染方面可能是有用的。
Eb treatment inhibited viral replication by binding to influenza virus hemagglutinin, thereby preventing attachment of influenza virus to cells, the report indicates.
报道还指出，EB治疗是通过与流感病毒血凝素结合，抑制病毒复制，从而阻止了流感病毒与细胞的黏附。
Wild birds, particularly waterfowl, are a key element of the viral ecology of low pathogenic avian influenza.
野生鸟类，特别是水鸟是低致病性禽流感病毒生态学的关键因素。
Influenza is a viral infection that affects mainly the nose, throat, bronchi and, occasionally, lungs.
流感是一种病毒感染，主要影响鼻、喉、气管，偶见肺部感染。
Influenza viruses induce apoptosis through mechanisms involving the interplay of cellular and viral factors that may depend on the cell type.
流感病毒诱导的细胞凋亡，涉及到各方面的问题，包括细胞和病毒因子的相互关系、细胞种类等因素。
Using previous research on influenza viral loads in nasal secretions.
根据此前有关鼻腔分泌物中流感病毒载量的研究。
Several influenza A viral subtypes were isolated from pigs during a severe outbreak of respiratory disease in Korea during 2005 and 2006.
在2005年和2006期间年韩国的猪爆发了严重的呼吸道疾病，并从中分离出了几种流感病毒A的亚型。
Smoke exposure caused temporary weight loss and when smoking ceased after viral infection, smoke and influenza mice regained significantly less weight than smoke alone mice.
香烟的暴露史可造成短期体重减少，病毒感染后停止吸烟，有香烟暴露史和流感的小鼠比只暴露于香烟的小鼠体重减少更明显。
ObjectiveTo study the effect of gene polymorphism of a (H1N1) influenza virus on viral replication and virulence.
目的研究a (H1N1)甲型流感病毒基因多态性对病毒复制及毒力的影响。
Specific transfer factor of subtype H5N1 avian influenza virus which has significant synergistic effect to avian viral inactivation vaccine and the effect is better by mouth than by injection.
禽流感病毒H5N1血清亚型特异性转移因子对禽流感病毒灭活疫苗具有明显的增效作用，且口服途径给药的疫苗免疫增效作用优于注射途径给药。
Objective To analyze seasonal influenza epidemic situation in 2006, and to analyze the genetic and antigenic characteristics of viral hemagglutinin (HA) gene.
目的分析2006年中国季节性流感的流行状况，以及病毒的抗原性和基因变异情况。
The specimens for viral isolation were taken from throat of patients with influenza like disease, as well as from chickens, then the specimens were inoculated into embryonated chicken eggs.
对流感样患者和鸡咽喉部采样，用常规鸡胚双腔法分离流感病毒并进行毒株鉴定。
Close attention should be paid to human infection with avian influenza virus, seasonal influenza, viral diarrhoea and Zika virus disease.
需重点关注人感染禽流感、季节性流感、寨卡病毒病和病毒性腹泻等传染病的公共卫生风险。
The most common causes for viral pneumonia are influenza, parainfluenza, adenovirus, and respiratory syncytial virus (RSV appears mostly in children).
病毒性肺炎最常见的病原是流感病毒，副流感病毒，腺病毒，以及呼吸道合胞体病毒(RSV主要发生于儿童)。
Method: Collected throat swab of influenza-like cases, extracted viral RNA in throat swab specimens and detected the viral RNA by FQ-PCR.
方法：采集流感样病例咽拭子，提取标本中的病毒核酸，用荧光定量pcr方法检测。
Method: Collected throat swab of influenza-like cases, extracted viral RNA in throat swab specimens and detected the viral RNA by FQ-PCR.
方法：采集流感样病例咽拭子，提取标本中的病毒核酸，用荧光定量pcr方法检测。
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