The Cow and The Country Boy (The First Vaccine)
The First: Stories of Inventions and their Consequences · Greg Young
January 13, 201730m 42s
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Show Notes
This is the story of the first vaccine, perhaps one of the greatest inventions in modern human history. Starring -- a country doctor with a love of birds, a milkmaid with translucent skin, an eight-year-old boy with no idea what he's in for and a wonderful cow that holds the secret to human immunity.