By the mid-18th century smallpox was a major endemic disease, and in Europe smallpox was a leading cause of death, killing an estimated 400,000 Europeans each year.
lunes, 7 de enero de 2019
The Edward Jenner story
Here you have a video about the discovery of the smallpox vaccine by British physician and scientist Edward Jenner in 1796.
By the mid-18th century smallpox was a major endemic disease, and in Europe smallpox was a leading cause of death, killing an estimated 400,000 Europeans each year.
By the mid-18th century smallpox was a major endemic disease, and in Europe smallpox was a leading cause of death, killing an estimated 400,000 Europeans each year.
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