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AIzaSyAYiBZKx7MnpbEhh9jyipgxe19OcubqV5w
August 1, 2025
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26 Jun 1721 Jahr - Dr. Zabdiel Boylston of the Harvard University School of Medicine begins the first public inoculation campaign in order to slow the smallpox epidemic in Boston, giving a vaccine to his own son, and then to his slave and the slave's infant son

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Datum:

26 Jun 1721 Jahr
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~ 304 years ago