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Edward Jenner prepared the vaccine for s...

Edward Jenner prepared the vaccine for smallpox virus by using:

A

attenuated cowpox virus

B

attenuated smallpox virus

C

large does of smallpox virus

D

small does of smallpox virus

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The correct Answer is:
A
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TRUEMEN BIOLOGY ENGLISH-HUMAN HEALTH AND DISEASE-MULTIPLE CHOICE QUESTIONS
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  3. Edward Jenner prepared the vaccine for smallpox virus by using:

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