@WHO: "But although a vaccine was crucial for ending #smallpox, it was not enough on its own. After all, the vaccine was first developed by Edward Jenner in 1796. It took another 184 years for smallpox to be eradicated"-@DrTedros https://t.co/grrDLuW0cn

@WHO: "But although a vaccine was crucial for ending #smallpox, it was not enough on its own. After all, the vaccine was first developed by Edward Jenner in 1796. It took another 184 years for smallpox to be eradicated"-@DrTedros https://t.co/grrDLuW0cn

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