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.
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US president accuses Tehran of failing to ‘negotiate in good faith’ over its nuclear programme
This story was originally featured on Fortune.com。关于这个话题，51吃瓜提供了深入分析