人轮状病毒持续感染细胞系的建立对病毒感染机理的研究和减毒活疫苗研制有一定现实意义。
Establishment of persistent infection cell line of human rotavirus might help to study the mechanism of human rotavirus infection and attenuated live vaccine of human rotavirus.
然而，这种原因的体重的增加都不是永久的，它只会持续到感染者有能力足以抵抗该病毒为止。
However, the weight gain was not permanent in every case, lasting only long enough for the infected person to build up resistance to the virus.
只要存在人类感染的机会，H5N1病毒就有可能获取这一能力，这种风险将持续存在。
The risk that the H5N1 virus will acquire this ability will persist as long as opportunities for human infections occur.
这一数据不包括艾滋病毒和其他对全世界个人和社区造成持续不良影响的性传播感染。
This does not include HIV and other STIs which continue to adversely affect the lives of individuals and communities worldwide.
乙型肝炎病毒在感染后30至60天即可发现，持续时间差别很大。
HBV may be detected 30 to 60 days after infection and persist for widely variable periods of time.
多数人间病例发生在农村或城市周边地区，那里的居民喂养小型场院禽群，使人类能够密切和持续地接触来自受感染禽鸟的病毒。
Most human cases have occurred in rural or peri-urban areas where households keep small backyard flocks, allowing close and continuing human exposure to virus from infected birds.
没有证据表明麻疹疫苗会加速SSPE的病程或引发SSPE，或导致麻疹野病毒良性持续感染者发生SSPE。
There is no evidence that measles vaccine accelerates the course of SSPE or triggers SSPE or causes SSPE in those with an established benign persistent wild measles infection.
牛白血病病毒感染后，牛体发生的持续性淋巴球增多属于良性的淋巴细胞数量增加。
Persistent lymphocytosis in cattle infected with bovine leukemia virus is a benign polyclonal increase in lymphocyte Numbers.
除非使妇女掌握抗击艾滋病的方法，否则艾滋病毒感染率和艾滋病患病率将持续升高。
HIV and AIDS rates will keep increasing unless women are given the means to fight this disease.
为什么艾滋病毒感染病例还在持续增多？
暴露于HIV病毒中的婴儿和儿童，应在出生后4 - 6周，或第一次与医护人员接触时便使用，并一直持续到相关感染被排除。
HIV-exposed infants and children, starting at 4-6 weeks after birth, or at first contact with health care, and continued until HIV infection is excluded.
季节性流行感冒来来去去，通常会感染到美国人口的20%，而且每年冬天的病毒会因为持续演化而产生稍微的差异；
Seasonal influenza comes and goes (typically, it affects up to 20% of America’s population), with the virus evolving slightly from one winter to the next.
这是一种持续的病毒，如果你一旦感染，看起来似乎不会自动痊愈，就像慢性疲劳综合在(CFS)的不可解决的感染一样。
This is a persistent virus, and once caught, it does not seem to resolve, just like the unresolved infections found in chronic fatigue syndrome (CFS).
病毒继续向欧洲的传播及在东南亚人群中的持续感染使人们对大流行顾虑万分。
The spread of the virus to Europe and continued human infection in Southeast Asia have heightened pandemic concern.
与鸟类有密切接触的人类和其它动物可能被感染，禽流感病毒开始适应新的宿主，病毒微小的变异慢慢累积，这个过程持续多年。
Humans and other animals in close contact with the birds may be infected, and the virus begins to adapt to new host animals, a process that may take years as small changes accumulate.
杜克大学的一个研究小组正在使用脊髓灰质炎病毒感染肿瘤细胞，这会激起了一种持续数月的免疫反应，肿瘤永久地消失了。
A team at Duke University is using a polio virus to infect tumor cells. It sets off an immune response that lasts for several months. The tumor goes away permanently.
例如，在慢性乙型肝炎病毒和艾滋病病毒治疗期间发生艾滋病毒感染和耐药变异时CXCR 4向性病毒的出现可作为这种持续演变的表型证据。
Phenotypic evidence of this continuing evolution is seen, for example, in the emergence of CXCR4 tropic viruses during HIV infection and drug-resistant variants during chronic HBV and HIV therapy.
最近的动物试验带来一点线索，当病毒清除以后，被感染动物肥胖持续6个月。
There is a slight clue in a recent animal study where infected animals remained obese up to 6 months after the virus had cleared.
西尼罗河病毒持续蔓延全国，关于人们遭受感染及死亡的报道也接踵而来。
The West Nile virus continues to spread across the country, so do reports of human infections and deaths. CNN medical correspondent Rea Blakey joins us now with the very latest - Rea.
本周的《自然》上说，某些病毒株的持续潜在感染能保护小鼠免受一些细菌的感染。
Chronic latent infection with specific viral strains protects mice against some bacterial infections, a Nature study reveals this week1.
什么是丙型肝炎?龚教授介绍，是由丙型肝炎病毒感染所致的肝脏炎症性疾病，可以对肝脏进行持续性的破坏。
What is hepatitis C?Professor Gong introduced by hepatitis C virus infection-induced inflammatory liver disease, can be sustained liver damage.
所以，主要特征是感染慢性进展的患者其获得性免疫应答在功能上受到损害，这对允许病毒持续存在非常重要。
So the main feature is that a patient with a chronic evolution of infection has adaptive responses which are functionally impaired and certainly this is very important to allow virus persistence.
背景有基因1型丙型肝炎病毒（HCV）感染，但对聚乙二醇干扰素α和利巴韦林疗法没有持续应答的病人，复治成功的可能性低。
Background Patients with genotype 1 hepatitis C virus (HCV) who do not have a sustained response to therapy with peginterferon alfa and ribavirin have a low likelihood of success with retreatment.
当受试者完成治疗后病毒学应答仍在持续，说明丙型肝炎病毒感染已获治愈。
When a person sustains a virologic response after completing treatment, this suggests that HCV infection has been cured.
超过5 %的癌症是全世界所造成的持续感染这一病毒。
More than 5% of all cancers worldwide are caused by persistent infection with this virus.
所以，主要特征是感染慢性进展的患者其获得性免疫应答在功能上受到损害，这对允许病毒持续存在非常重要。
So the main feature is that a patient with a chronic evolution of infection have adaptive responses which are functionally impaired and certainly this is very important to allow virus persistence.
神经细胞至少能存活8周，在此期间GFP能持续表达，说明慢病毒能有效而稳定感染神经细胞。
Neurons could survive in the culture for at least 8 weeks, during which the GFP was persistently expressed, indicating the lentivirus could efficiently and stably infect the neurons.
大多数受到感染的人都没有症状，因而并不知道他们携带有病毒，这就是医学上所称的无症状期，如前所述，这一时期能够持续8年之久。
Most infected people have no symptoms and do not know that they are carrying the virus. This is technically termed the asymptomatic stage and can last, as we have said, up to eight years.
隐性乙肝病毒（HBV）感染的特点是人体肝内乙肝病毒（HBV）DNA持续存在而HBV表面抗原（HBsAg）阴性。
Occult HBV infection is characterized by the persistence of HBV DNA in the liver of individuals negative for HBV surface antigen (HBsAg).
隐性乙肝病毒（HBV）感染的特点是人体肝内乙肝病毒（HBV）DNA持续存在而HBV表面抗原（HBsAg）阴性。
Occult HBV infection is characterized by the persistence of HBV DNA in the liver of individuals negative for HBV surface antigen (HBsAg).
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