预防接种是通过不同途径把一些生物制品(如细菌或其毒素、死的或弱活减毒的病毒、人或动物的血液或组织等制成的制品),接种到人体内,可刺激人体产生相应的免疫力,以达到预防某些传染病的目的。 相关例子 目前常用的疫苗和接种年龄,可参考下表: 年龄 接种类别 出生后 卡介苗初种,皮上划痕法, 乙肝疫苗,肌肉注射 1个月 乙肝疫苗,肌肉注射 3~5个月 小儿麻痹糖丸初服;先服Ⅰ型,1个月后服Ⅱ、Ⅲ型。 百日咳、白喉、破伤风三联疫苗第一次接种,皮下注射 三次每次间隔一个月
犬类必须接种疫苗以防犬热病。
接种疫苗和其他预防措施可以实施。
Vaccination and other prophylactic measures can be carried out.
这最终可能发展为儿童定期接种疫苗。
This may eventually lead to routine inoculation of children.
For example, what if you could make a hepatitis vaccine that was good in one shot instead of three shots?
比方说,如果你研制的一种肝炎疫苗,只需接种一次,而不是三次会怎么样
So, this just shows as the vaccine was distributed, given to more people, that prevalence of the disease dropped dramatically.
因此,这表明随着疫苗的推广,以及接种人数的增加,该疾病的患病率显著降低
You can't go to school in this country, and in many countries, until you've had your prescribed set of vaccinations.
在我国,接种规定的疫苗之前,许多国家也一样,你都不能去上学
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