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Who discovered the vaccination against smallpox?

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in Cell Biology by (121k points)
Who discovered the vaccination against smallpox?

(a) Louis Pasteur

(b) Francis Crick

(c) Barbara McClintock

(d) Edward Jenner

This question was addressed to me during an online interview.

The query is from Immune Response topic in division Immune Response of Cell Biology

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Correct choice is (d) Edward Jenner

Easy explanation: In 1796, Edward Jenner discovered the vaccine against smallpox by deliberately infecting an eight-year-old boy with cowpox and then injecting the pus of smallpox lesion under his skin. He then found out that the boy showed immunity against the latter.

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