Vaccinations were the first practice in medical history that humans had personally intervened with in the disease process. 100 Greatest Discoveries: The Beginning of Vaccination More Videos Online

100 Greatest Discoveries: The Beginning of Vaccination

Vaccinations were the first practice in medical history that humans had personally intervened with in the disease process.

Added: Feb 10, 2009
Views: 3865 Views
Runtime: 02:26

 
 
 

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