Analyses of infection rates in modern seasonal flu epidemics suggest that with age comes a subtle buildup of immunity to flu viruses in general.
近年来对季节性流感流行的感染率分析表明，一般而言，随着年龄的增长，针对流感病毒的免疫力也在日积月累地加强。
However, a child below the age of 10 will need two doses of the H1N1 vaccine, spaced about a month apart, and full immunity will not occur until about a week after the final dose.
但是，10岁以下儿童将需要两剂疫苗，期间相隔一个月，完全的免疫力将直到接种最后一剂疫苗后约1周才会产生。
Bacteria become active as a result of anything that can reduce the person's immunity, such as HIV, advancing age, or some medical conditions.
由于可降低人的免疫力的任何东西，例如艾滋病毒、年龄增长或某些医学病症，细菌变为活动性。
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。
Objective to study the morphologic changes with age in thymocytes and to explore the effect of luteolin on the aging changes in thymocyte morphology, immunity and anti-oxidation activity in aged mice.
目的探讨不同年龄胸腺细胞在胸腺内区域性分布的形态学变化，研究木犀草素对衰老大鼠胸腺形态学及免疫功能和抗氧化能力的影响。
So far, the new flu strain hasn't sickened very many Americans age 60 and older -- possibly because they have immunity from similar viruses that caused past influenza pandemics.
到目前为止，甲流病毒并未感染很多60岁及以上人群，这或许是因为他们已经从过去的流感疫情中获得了免疫力。 甲型H1N1病毒虽然是一种新的毒株，但与其他类型的流感病毒有相似之处。
The epidemic factors are related with various agents including age, immunity, season, feeding methods and the application of antibiotics and so on.
其发病的流行因素与年龄、免疫力、季节、喂养方法、抗生素的应用等诸多因素有关。
According to the announcement of WHO about disease statistics, more than 96% diseases occur due to old age and immunity problems.
根据世界卫生组织公布的疾病统计数字，人类96%以上的疾病都是因为年老力衰或免疫问题而导致的。
Is forbid in the old age, the babies and infants, the pregnant woman and contracts the serious chronic curtain foundation illness trouble or accepts the immunity inhibitor curer.
禁用于老年、婴幼儿、孕妇和患有严重慢性幕础疾患或接受免疫抑制剂治疗者。
From this investigation result looked 7 full year old of age groups the immunity levels are lower.
从本次调查结果看7周岁年龄组的免疫水平较低。
The research that modern medicine learns thinks, enhance body immunity force head turns yellow over sixty years of age.
现代药学的研究认为，增强身体免疫力首推黄耆。
Conclusion advanced age sufferer main dirty machine function decrease, Medicine merger the disease be more, immunity and should arouse ability lowly, surgical operation risk big.
结论：高龄患者主要脏器功能减退，内科合并症较多，免疫及应激能力低下，手术危险性大。
The donkey hide gelatin motherwort grown sugar has the functions of anti-oxidation, anti-age, anti-fatigue, enhancing immunity, and it has complete nutritional components, is convenient and safe.
本发明的阿胶益母红糖具有抗氧化、防衰老、抗疲劳、提高机体免疫力的作用，而且营养成分齐全，食用方便、安全。
The donkey hide gelatin motherwort grown sugar has the functions of anti-oxidation, anti-age, anti-fatigue, enhancing immunity, and it has complete nutritional components, is convenient and safe.
本发明的阿胶益母红糖具有抗氧化、防衰老、抗疲劳、提高机体免疫力的作用，而且营养成分齐全，食用方便、安全。
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