即使在感染你的时候，感冒病毒也会发生变异，而且新的病毒毒株经常出现，以至于当制药商研制出针对其中一种变异的疫苗时，血清已经过时了。
Colds mutate even while they're infecting you, and new strains pop up so often that by the time drug-makers create a vaccine against one variation, the serum is already out of date.
这期间，虽然口服脊髓灰质炎疫苗防止了超过650万起脊髓灰质炎病例的发生，但仍有33,000余名儿童因感染脊髓灰质炎野病毒株致瘫。
In the meantime, more than 33 000 children were paralysed by wild poliovirus while more than 6.5 million polio cases were prevented by the oral polio vaccine.
尽管科学家还在研究导致这次猪流感的病毒株，专家们怀疑现有的季节性疫苗能否有效抗击它们。
Although scientists are still studying the swine-flu strain responsible for the current outbreak, experts doubt that existing seasonal vaccines can effectively combat it.
如出现大流行株，减缓其传播至关重要，因为这样可获取宝贵时间以便针对该病毒生产疫苗和采取其它紧急措施。
Should a pandemic strain emerge, slowing its spread will be vital as this could buy valuable time to produce vaccines against the virus and introduce other emergency measures.
如果我们能研制一种对所有流感病毒株都有效的疫苗，我们就可以预防年度季节性流感及偶见的流感大流行，就像其它那些疾病一样。
If only we could develop a vaccine that was effective against all strains of flu, we might prevent both annual epidemics and occasional pandemics like the one now under way.
这种疫苗是根据最常见的轮状病毒毒株制成的，而且在两年的时间里也能很好地保护人体不受其它一些毒株的感染。
The vaccine is derived from the most commonly circulating strain of rotavirus, and also offered good protection against some other strains across the two-year period.
今年的季节流感疫苗含有三种流感病毒——一种甲型（H3N2）病毒，一种与猪流感毒株无关的常规季节性甲型（H1N1）病毒，以及一种乙型病毒。
This year’s seasonal vaccine contains three influenza viruses — one A (H3N2) virus, one regular seasonal A (H1N1) virus unrelated to the swine flu strain and one B virus.
流感病毒不断发生基因变化并需要符合正在传播的流感毒株的疫苗以便产生作用，所以每年必须调整季节性流感疫苗。
Influenza viruses constantly undergo genetic changes and require vaccines that match the circulating influenza strains to be effective, so seasonal influenza vaccines have to be modified annually.
几乎所有的传统流感疫苗都是通过在鸡胚中增殖病毒而获得德，这是一个缓慢的过程，某些毒株甚至更慢——包括2009年的H1N 1流感病毒。
Nearly all conventional flu vaccines are made by growing the virus in chicken eggs, a slow process that is even slower with some strains - including 2009 H1N1 flu.
验证疫苗株：制备好混合病毒后，必须进行验证以保证其确实能产生大流行毒株的外蛋白，并且是安全的，能在鸡蛋中生长。
Verification of the vaccine strain: After its preparation, the hybrid virus needs to be tested to make sure that it truly produces the outer proteins of the pandemic strain, is safe and grows in eggs.
之前与H1N1病毒有过接触史似乎是一个关键因素，可以让人识别出1976年的疫苗毒株并产生强烈的免疫应答，这就如同1976年的疫苗能让人对2009年H1N1病毒产生强烈免疫应答一样。
That prior encounter with H1N1 seemed to be the key to a robust recognition of the 1976 vaccine virus, just as having had the 1976 vaccine seems to produce a strong response to the 2009 H1N1 virus.
所产生的“三价疫苗”刺激患者的免疫系统产生抗体，为流感病毒株的可能袭击做好准备。
The resulting "trivalent" vaccine provokes the patient's immune system into producing antibodies, and that primes it for an attack by the worrying strains of flu.
GACVS审议了一系列新近由专家递交的关于乙脑病毒减毒活疫苗SA14 - 14 - 2株安全特性的资料。
GACVS considered recent data on the safety profile of live attenuated sa 14-14-2 JE vaccine, provided in a number of expert presentations to the Committee.
答：疫苗衍生脊髓灰质炎病毒(VDPV)是一种罕见的脊髓灰质炎病毒株，由口服脊髓灰质炎疫苗(opv)里的病毒株遗传变异而来。
A: a vaccine-derived poliovirus (VDPV) is a rare strain of poliovirus, genetically mutated from the strain contained in oral polio vaccine (OPV).
一旦鉴定并分离出具有大流行可能的流感病毒新毒株，大约需要5至6个月时间提供首批获批准的疫苗。
It takes approximately five to six months for the first supplies of approved vaccine to become available once a new strain of influenza virus with pandemic potential is identified and isolated.
能保护人们抵抗流感的疫苗只能在灾难发生4 - 6月后制备出来，在病毒株得到鉴定后。
An eventual vaccine to protect people against a flu pandemic can only be made 4-6 months after the start of such a disaster, when the culprit virus strain has been identified.
目的构建H5N1亚型禽流感病毒株密码子优化的血凝素（HA）DNA疫苗并研究其免疫原性。
Objective To study the immunogenicity of a DNA vaccine expressing the codon optimized HA gene from an H5N1 avian flu viral isolate, A/Viet Nam1203/04 (H5-VN).
研究猪轮状病毒中国分离株JL94株衣壳蛋白基因的特征，为研制高效抗病毒疫苗奠定基础。
Researching the feature of capsid protein gene form porcine rotavirus JL94 strain in China is to lay a foundation for developing concentrated antivirotic vaccine.
该基地已被批准生产季节性流感疫苗产品和可用于抵抗新的2009H1N1型流感病毒株的疫苗产品。
The facility is approved for seasonal influenza vaccine production and could be used for the production of vaccine against the new 2009 H1N1 influenza strain.
当前狂犬病毒流行株与人用、兽用狂犬病疫苗株在基因和蛋白质水平出现的多处变异可能会导致流行株毒力的增强以及疫苗对它们的保护效果降低。
The Chinese isolates of rabies virus were diverged from the vaccines in both genes and deduced proteins. These divergences may result in the inefficiency of the vaccines.
甲型肝炎病毒TZ84毒株经2BS二倍体细胞培养制备成甲型肝炎灭活疫苗。采用普通狨猴和恒河猴进行疫苗的保护性研究。
Inactivated hepatitis A(HA) vaccine was prepared by culturing the strain TZ84 of HA virus in 2BS cells, and the immunogencity of it was studied in common marmosets and Macaca mulattas.
科学家称，两种可以攻击HIV病毒多种毒株的薄弱环节的新抗体被发现，这一发现大大提高了艾滋病疫苗研制成功的希望。
Scientists say the two can attack a variety of strains of HIV, the weak link of the new antibody was found, the discovery of AIDS vaccine development has greatly enhanced the success of hope.
相关研究结果发表在《自然》（Nature）和《科学》（Science）期刊上，将帮助科学家们确定哪一种病毒株应该加入到流感疫苗中。全世界每年有3亿人注射流感疫苗。
The research, published in the journals Nature and Science, will help scientists decide which viral strains should be incorporated in the flu vaccines given to 300m people a year worldwide.
英国担心此举会导致传统季节性流感疫苗的生产商转而生产针对H1N1猪流感病毒株的疫苗。
The worry for the UK will be the requirement for vaccine manufacturers to switch production from the seasonal flu jab to a vaccine specifically against the H1N1 swine flu strain.
英国担心此举会导致传统季节性流感疫苗的生产商转而生产针对H1N1猪流感病毒株的疫苗。
The worry for the UK will be the requirement for vaccine manufacturers to switch production from the seasonal flu jab to a vaccine specifically against the H1N1 swine flu strain.
应用推荐