The Inquiry - What have pretty milkmaids got to do with smallpox? - 成人快手 Sounds

The Inquiry - What have pretty milkmaids got to do with smallpox? - 成人快手 Sounds


What have pretty milkmaids got to do with smallpox?

Dr Larry Brilliant, one of the team who eradicated Smallpox, told us about Edward Jenner

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