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And though most scientists hail vaccines as one of public health’s greatest achievements, they have provoked fear, distrust, and contentious resistance since Edward Jenner invented the first vaccine, to prevent smallpox, in the late 1700s.
，这一点在WPS下载最新地址中也有详细论述
无私者，可置以为政。政绩观，是世界观、人生观、价值观在为政实践中的集中体现。
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