WHO urges all countries to maintain and strengthen AFP surveillance and high population immunity.
世卫组织敦促所有国家保持和加强急性弛缓性麻痹的监测和人群的高免疫率。
The overriding priority is to urgently stop the WPV3 outbreak, while maintaining high population immunity across west Africa to WPV1.
目前的重中之重就是在西非的野生1型脊灰病毒人群免疫仍维持在较高水平时，紧急阻止野生3型脊灰病毒的暴发流行。
The rise in cases underlines the urgent need to conduct high-quality immunization campaigns to rapidly boost population immunity levels.
病例的增加强调了迫切需要开展高质量的免疫运动以便迅速增强人群免疫水平。
Gaps in population immunity and primary failures in immunization were principle factors leading to measles infection and epidemic in Loudi City.
免疫空白人群和原始免疫失败为本市麻疹感染发病的主要影响因素。
Countries should also continue to boost routine immunization coverage against polio to further strengthen population immunity and minimize the risk of any importation.
这些国家还应当继续提高脊灰常规免疫覆盖率，以进一步加强人口免疫并且尽量减少疾病输入的风险。
Influenza pandemics can have an even bigger impact in the wider population, including younger age groups, because of a lack of population immunity to the new strain.
由于人们缺乏对新毒株的免疫力，流感大流行会对包括年轻人群在内的更广泛人群产生甚至更大的影响3,4。
The number of yellow fever cases has increased over the past two decades due to declining population immunity to infection, deforestation, urbanization, population movements and climate change.
在过去二十年中，由于人群对疾病感染的免疫力下降、砍伐森林、城市化、人口流动和气候变化等因素的影响，黄热病病例数呈增加趋势。
They think its population grew rapidly and then remained more or less stable until the arrival of the Europeans, who introduced deadly diseases to which islanders had no immunity.
他们认为岛上的人口增长迅速，然后保持或多或少的稳定速度来增长，直到欧洲人的到来引进了岛上居民对其没有免疫力的致命疾病。
Climate change has raised average temperatures in the Central Highlands region of Kenya, allowing the disease to creep into higher altitude areas where the population has little or no immunity.
气候变化导致肯尼亚中部高地地区平均温度的上升，这使得这种疾病蔓延到高海拔地区。
The success of any given vaccine depends on so-called herd immunity, in which a high rate of immunization in a population helps to protect those individuals who are not immune.
任何特定疫苗的成功都依赖于所谓的免疫屏障，即通过高比率的免疫人群来保护不免疫的个体。
Many of the childhood vaccinations rely on "herd-immunity" - a certain percentage of the population having the vaccine in order to protect those that do not, or cannot have it, from infection.
许多儿童疫苗依赖于“群体免疫”——一定比例的人口接种某些疫苗是为了预防那些没有接种或不能接种的人受到感染。
A similar fate awaits any population exposed long enough to a new flu strain to which it has no immunity, experts believe.
专家们相信，任何没有免疫力的人群暴露于新的流感病毒株足够长的时间都经历相似的命运。
Therefore, the effective measures are to increase vaccination rate and immunity of the specific group, decrease the susceptible population and intensify epidemic monitoring.
因此，提高免疫接种率，消除免疫空白人群，开展特定人群的免疫，加强麻疹的监测是控制麻疹发病的有效措施。
Because most people do not have regular contact with pigs, much of the world's population may lack immunity against swine flu.
因为大多数人都没有经常和猪接触，所以世界上的许多人都对此病毒缺乏免疫力。
Objective To control the infections and morbidities of hepatitis A and B and improve the immunity of population of the next generation.
目的为了有效控制甲型和乙型肝炎病毒的感染和发病，提高下一代人群免疫力。
In this paper, regarding the influence of infectious diseases on the dynamics of host population growth, a PDE model is established for the dynamics of infectious diseases with lifelong immunity.
在本文中，考虑到传染病对宿主生物群体生长动力学的影响，对终身免疫型传染病的动力学建立了一个偏微分方程的模型。
Health population in Jinan had higher immunity to ECM diplococcus of Group a, but had lower one to that of Group c.
济南市健康人群对A群脑膜炎双球菌有较高的免疫力，但对C群脑膜炎双球菌免疫力普遍较低。
Objective To determine the infection status and immunity level of epidemic cerebrospinal meningitis in susceptible population in Hefei based on immunoserological surveillance.
目的应用实验室免疫血清学方法监测合肥市流行性脑脊髓膜炎（流脑）患者感染状况以及易感人群免疫水平。
Objective: in order to find out the immunity levels and influencing factors of floating population. The immunity levels were monitored among floating population in Baoan district in 1998.
目的：为了解流动人口麻疹、百日咳和白喉的免疫水平，及影响免疫水平的因素，1998年对宝安区流动人口免疫水平进行监测。
Objective to analyze the immunity status of the floating children in Houjie town of Dongguan city and provide scientific basis for setting up immunization programs for the population.
目的了解东莞市厚街镇流动儿童免疫状况，为免疫规划提供科学依据。
To explore the relationship between of nutrients intake and body immunity competence in pre-elderly population.
了解老年前期健康人群免疫状况和营养素摄入量情况 ，初步探讨这两者的关系。
To explore the relationship between of nutrients intake and body immunity competence in pre-elderly population.
了解老年前期健康人群免疫状况和营养素摄入量情况 ，初步探讨这两者的关系。
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