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Which of the Following Findings Was Essential for Edward Jennerʹs

Question 16

Multiple Choice

Which of the following findings was essential for Edward Jennerʹs vaccination process?


A) Someone who recovers from a disease will not acquire that disease again.
B) Exposure to a milder disease form may produce immunity.
C) Pathogenic microorganisms infect all humans and animals in the same manner.
D) Disease is caused by viruses.
E) A weakened microorganism will not cause disease.

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