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sinawe sinawe
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3 years ago
What did Edward Jenner inject individuals with and why?


with chickenpox to protect them from smallpox


with cowpox to protect them from smallpox


with smallpox to protect them from chickenpox


with cowpox to protect them from chickenpox
Textbook 
Biology: Exploring the Diversity of Life

Biology: Exploring the Diversity of Life


Edition: 4th
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GalenDatGalenDat
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3 years ago
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This site is awesome
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this is exactly what I needed
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Good timing, thanks!
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