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Monday, December 24, 2018

Vaccination is invented by-

Vaccination is invented by-
AEdward Jennar
BLeuis Pastuer
CWating
DNone of these

Answer is : Edward Jennar
Smallpox vaccine, the first successful vaccine to be developed, was introduced by Edward Jenner in 1796. He followed up his observation that milkmaids who had previously caught cowpox did not later catch smallpox by showing that inoculated cowpox protected against inoculated smallpox.

Sachin Khr
answered Nov 18 '2016 at 20:26

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