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Title: What would have undermined Edward Jenner's hypothesis about smallpox? Post by: brandonq2015 on Feb 7, 2018 What would have undermined Edward Jenner's hypothesis about smallpox?
A. the boy got cowpox but not smallpox B. the boy exposed to the cowpox virus still got smallpox C. some milkmaids did not get cowpox D. a cowpox vaccine is not possible Title: What would have undermined Edward Jenner's hypothesis about smallpox? Post by: elleduis on Feb 7, 2018 Content hidden
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