With the smallpox vaccine established, Spain’s wanted to deliver it to its colonies in the Americas and the Caribbean. Francisco Xavier de Balmis carried the vaccine from Spain to the Americas using a chain of young boys who acted as living vaccine hosts. Learn more about your ad-choices at https://www.iheartpodcastnetwork.com
With the smallpox vaccine established, Spain’s wanted to deliver it to its colonies in the Americas and the Caribbean. Francisco Xavier de Balmis carried the vaccine from Spain to the Americas using a chain of young boys who acted as living vaccine hosts. Learn more about your ad-choices at https://www.iheartpodcastnetwork.com
