左图显示的是未接种的植物。
儿童期免疫接种的非特异性反应。
而且免疫是需要反复接种的。
这爆发很可能是在未接种的少数儿童群体发生。
An outbreak is most likely to happen among small groups of children who haven't been vaccinated.
“我们的计算可使开始接种的群体维持最长时间的保护，”他说。
"Our figuring is, let's get started in the group that's going to take longest to get protected, " he said. See pictures of thermal scanners hunting for swine flu.
某些团体甚至质疑免疫接种的用途，尽管它对控制疾病仍然是很重要的。
Certain groups have even questioned the utility of vaccination, in spite of its ongoing necessity to control disease.
这次发起的亚洲大流感研究伙伴计划将会研究诸如是否在禽流感爆发之际给禽类接种的问题。
The Asian Research Partnership on Pandemic Influenza will study issues such as whether to vaccinate poultry in the wake of a bird flu outbreak.
但是即使自闭症和疫苗有某种因果关系，反对接种的行为也不应被支持，因为收益远大于风险。
But even if there really were a link between autism and vaccination, the anti-vaccine movement would still not be justified. The benefits overwhelm the risks.
按照世卫组织《国际旅行和健康》所述建议，来往巴基斯坦的旅客应当受到免疫接种的完全保护。
As per recommendations outlined in WHO's International travel and health, travellers to and from Pakistan should be fully protected by vaccination.
今年，麻疹倡议和其它伙伴机构在世卫组织支持下，组织了旨在为320万儿童进行免疫接种的运动。
Organized with support from WHO, the Measles Initiative and other partner agencies, this year's campaign aimed to immunize 3.2 million children.
加强根除疾病努力并推动其第二阶段取得成功，同时扩大常规免疫接种的范围，对阻断脊髓灰质炎流行至关重要。
Success in the second phase of this intensified eradication effort, coupled with improved access to routine immunization, is critical to stopping the epidemic.
目前，对父母针对儿童期疫苗接种的知识和态度的研究，与这一问题的巨大规模和相关性来讲很不相称。
Current research into parents' knowledge and attitudes towards childhood vaccination is disproportionately low considering the enormous scale and relevance of this issue.
关于发生疫情时进行甲型肝炎免疫接种的建议也应依具体地点而定，包括迅速广泛开展免疫接种运动的可行性。
Recommendations for hepatitis A vaccination in outbreaks should also be site-specific, including the feasibility of rapidly implementing a widespread immunization campaign.
来自多项研究的数据表明，单剂接种的疫苗有效性为80% - 99%，2剂接种的有效性则达到98%以上。
Data reported from several studies have shown vaccine efficacy to be between 80% and 99% following single-dose vaccination and 98% or greater with 2 doses of the vaccine.
从巴基斯坦出发的旅客应在离开巴基斯坦前完成免疫接种的完整疗程，出发前至少要服用一剂口服脊髓灰质炎疫苗。
Travellers from Pakistan should have a full course of vaccination against polio before leaving Pakistan, with a minimum one dose of OPV before departure.
现在已经知道，给这些退伍军人接种的炭疽疫苗中并未添加角鲨烯，且认为存在关联的研究报告中存在多项技术缺陷。
It is now known that squalene was not added to the vaccines administered to these veterans, and technical deficiencies in the report suggesting an association have been published.
以H5N1为例，尽管过去几年里开发了有助于降低人和鸟类致病风险的新疫苗，但有些地方却缺乏预防接种的能力。
In the case of H5N1, new vaccines developed in the last few years for both humans and birds may help to reduce risks, but local capabilities to vaccinate people are often lacking.
GACVS于2003年12月3 - 4日在瑞士日内瓦召开了第九次会议，审议了以下有关免疫接种的安全性问题。
GACVS held its ninth meeting in Geneva, Switzerland, on 3-4 December 2003 and considered the following safety concerns regarding immunization.2.
按照世界卫生组织在国际旅行和健康指南中提出的建议，来往于受到脊髓灰质炎影响的国家的旅客，应当全面受到疫苗接种的保护。
As per recommendations in the WHO's International travel and Health guidelines, travelers to and from polio-affected countries should be fully protected by vaccination.
一种思想流派认为，疫苗接种的需求是由于一般认为疫苗对婴儿是有好处的和/或强烈地感到对重大疾病的脆弱性而引起的。
According to one school of thought, 5 the demand for vaccination is triggered by a general perception that vaccines are good for infants and/or a strong feeling of vulnerability to serious illness.
如果研究证实这些危险实际上并不存在，则将极大地增强卫生保健提供者(即使不是对一般公众的话)对婴儿免疫接种的信心。
Demonstrating the absence of such risks would reinforce the confidence of health-care providers, if not the public at large, in infant immunization.
信函还补充说，猪流感的威胁极大，因此国民保健署必须避免象每年冬天季节性流感时那样，常常只有少数员工接受免疫接种的情况。
Swine flu's threat is so great that the NHS must avoid only small Numbers of personnel getting immunised, as usually happens with seasonal flu every winter, the letters add.
疫苗的有效性：研究结果表明如果HIV疫苗在预防HIV病毒感染上只有50%的有效率的话，人们接受接种的可能性将大大降低。
The effectiveness of a vaccine: The research showed people would be far less likely to take an HIV vaccine if it was only 50 per cent effective in protecting against HIV infection
世卫组织继续建议把卫生工作者作为早期疫苗接种的首要重点，以便保护他们自身及其患者，并随着大流行性流感的演化，协助维持卫生系统的运转。
WHO continues to recommend that health workers be given first priority for early vaccination to protect themselves and their patients, and help keep health systems functioning as the pandemic evolves.
在一些流行地区和接受疫苗接种的旅行者(例如，在巴西、澳大利亚、美国、秘鲁和多哥)中，在免疫接种后出现严重不良事件的报告并不多见。
Serious adverse events have been reported rarely following immunization in a few endemic areas and among vaccinated travelers (e.g. in Brazil, Australia, the United States, Peru and Togo).
在一些流行地区和接受疫苗接种的旅行者(例如，在巴西、澳大利亚、美国、秘鲁和多哥)中，在免疫接种后出现严重不良事件的报告并不多见。
Serious adverse events have been reported rarely following immunization in a few endemic areas and among vaccinated travelers (e.g. in Brazil, Australia, the United States, Peru and Togo).
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