用微量中和试验测定麻疹病人急性期和恢复期血清中和麻疹疫苗株和野毒株的中和抗体水平。
The neutralization antibody levels for measles vaccine virus and wild measles virus in sera of measles patients in acute phase and convalescent phase were determined by trace neutralization test.
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.
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.
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new strains pop up so often that by the time drug-makers create a vaccine against one variation, the serum is already out of date.
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.
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.
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赞同世卫组织最近发出的关于进一步确定bcg株特性的倡议，认为此项工作将有助于从安全性和有效性出发、对BCG疫苗进行系统的鉴别。
GACVS supports the -recent WHO initiative to further characterize BCG strains, which will help systematic differentiation of BCG vaccines in terms of safety and efficacy.
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.
Astrogenetix利用这快速繁殖和超活性状态去遥控沙门氏菌负责感染的基因然后去除这强毒基因以建立疫苗弱毒株。
Astrogenetix took advantage of that fast-growing, super-active state to home in on the salmonella genes responsible for infectiousness, and then removed said genes to create a weak vaccine strain.
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.
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.
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.
我们还注意到，最近出现了新的H5N1型禽流感毒株，有可能导致目前使用的疫苗无法充分保护禽类不受疾病的侵染。
We have also observed that new H5N1 avian influenza virus strains have recently emerged creating the possibility that vaccines currently in use may not be fully protecting poultry against the disease.
他们一般在二月份就预测好六月会有哪种毒株传播，以便医药公司未雨绸缪，准备好特效疫苗。
In February, they predict which strains of virus will circulate in the fall, and drug companies prepare vaccines to produce immunity to those specific strains.
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.
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.
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.
该综述表明，与Jeryl -Lynn株疫苗相比，接种urabe、Leningrad - Zagreb和Lningrad - 3株疫苗后无菌性脑膜炎和腮腺炎的发生率较高。
The review showed that higher rates of aseptic meningitis and parotitis have been reported for the Urabe, leningrad-zagreb and Leningrad-3 strain vaccines compared to the Jeryl-Lynn strain vaccine.
腮腺炎和无菌性脑膜炎已被描述为接种Urabe、Leningrad-Zagreb 和Leningrad-3这三株流行性腮腺炎疫苗后的并发症，但不包括Jeryl-Lynn 株疫苗1。
Parotitis and aseptic meningitis have been described as complications of mumps vaccination with Urabe, Leningrad–Zagreb and Leningrad-3 strains of the vaccine but not with the Jeryl–Lynn strain1.
腮腺炎和无菌性脑膜炎已被描述为接种Urabe、Leningrad-Zagreb 和Leningrad-3这三株流行性腮腺炎疫苗后的并发症，但不包括Jeryl-Lynn 株疫苗1。
Parotitis and aseptic meningitis have been described as complications of mumps vaccination with Urabe, Leningrad–Zagreb and Leningrad-3 strains of the vaccine but not with the Jeryl–Lynn strain1.
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