Question

The process of attenuation was demonstrated by

• A. Koch
• B. Pasteur
• C. Edward Jenner
• D. None of the above

Answer 1

Answer: (C)

Edward Jenner

Attenuation is a process of injecting dead or weakened organisms of a particular disease into a healthy individual. So, as to create an active immunity against the infection. This was 1${}^{st}$ demonstrated by Edward Jenner by administering cow pox virus (non fatal disease) to prevent small pox (fatal viral disease) infection.

So, the correct answer is 'Edward Jenner'