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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，这一点在搜狗输入法2026中也有详细论述
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But food crimes can pose dangers to human health, because of the presence of potential allergens or toxic chemicals.
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