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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Мерц резко сменил риторику во время встречи в Китае09:25
What is today’s Moon phase?As of Friday, Feb. 27, the Moon phase is Waxing Gibbous. According to NASA's Daily Moon Guide, 80% of the Moon will be lit up tonight.