Who discovered the technique of preparing vaccine from attenuated pathogen and in which year?(a) Edward Jenner, 1796(b) Louis Pasteur, 1879(c) Robert Downey, 1856(d) Von Behring, 1950This question was addressed to me in a national level competition.This interesting question is from Human Health and Disease in division Human Health and Disease of Biology – Class 12

Who discovered the technique of preparing vaccine from attenuated path

1.	Who discovered the technique of preparing vaccine from attenuated pathogen and in which year?(a) Edward Jenner, 1796(b) Louis Pasteur, 1879(c) Robert Downey, 1856(d) Von Behring, 1950This question was addressed to me in a national level competition.This interesting question is from Human Health and Disease in division Human Health and Disease of Biology – Class 12
Answer» Correct answer is (B) Louis Pasteur, 1879 The best I can EXPLAIN: Louis Pasteur DISCOVERED the technique of preparing vaccine from an ATTENUATED pathogen in 1879. This was the first true vaccine consisting of weakened micro-organisms against the disease chicken cholera.

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