Today's Big Question is "What was the first vaccine?"
Learn how Edward Jenner created the smallpox vaccine. 
If you have a Big Question about history, send it to BigQuestion@4minutehistory.com.

Today's Big Question is "What was the first vaccine?" Learn how Edward Jenner created the smallpox vaccine. If you have a Big Question about history, send it to BigQuestion@4minutehistory.com.

Today's Big Question is "What was the first vaccine?"
Learn how Edward Jenner created the smallpox vaccine.&nbsp;
If you have a Big Question about history, send it to BigQuestion@4minutehistory.com.

Episode #010 What Was the First Vaccine?

4 Minute History gives short answers to big questions about history, using easy to understand English.

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Episode #010 What Was the First Vaccine?

Episode #010 What Was the First Vaccine?