Q. To prepare vaccine for small pox, the material used by Edward Jenner is

(A) Small pox material
(B) Chicken pox material
(C) Cow-pox material
(D) Measles material

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✅ Correct Answer: (C) Cow-pox material

Published by Vinay ⭐ 28.75K Points at 14-Feb-2025 06:31 pm in Microbiology

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