Vaccinating not only protects yourself, but also protects those in the community who are unable to be vaccinated.
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如果可以，请接种疫苗。
If you are able to, get vaccinated.
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疫苗可以保护一个人
Herd1Vaccines topic 1 illustrations 04
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纵观历史，人类已成功开发出针对脑膜炎、破伤风、麻疹和脊灰等多种威胁生命疾病的疫苗。
Throughout history, humans have successfully developedvaccines for a number of life-threatening diseases, including meningitis, tetanus, measles and wild poliovirus.
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1900年代初，脊灰曾是一种全球疾病，每年导致成千上万人瘫痪。
In the early 1900s, polio was a worldwide disease, paralysing hundreds of thousands of people every year.
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到1950年时，开发出了两种对抗这种疾病的有效疫苗。
By 1950, two effective vaccines against the disease had been developed.
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但是，在世界某些地区，疫苗接种仍不足以遏制脊灰的传播，尤其是在非洲。
But vaccination in some parts of the world was still not common enough to stop the spread of polio, particularly in Africa.
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1980年代，全球团结一致开始了消灭脊灰的努力。
In the 1980s, a united worldwide effort to eradicate polio from the planet began.
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多年乃至几十年来，各大洲通过常规免疫和大规模疫苗接种运动，开展了脊灰疫苗接种工作。
Over many years and several decades, polio vaccination, using routine immunization visits and mass vaccination campaigns, has taken place in all continents.
Millions of people, mostly children, have been vaccinated and in August 2020, the African continent was certified wild poliovirus free, joining all other parts of the world except Pakistan and Afghanistan, where polio has not yet been eradicated.