Question

The process of vaccination was discovered by
A. Edward Jenner (1796)
B. Robert Koch (1876)
С. Louis Pasteur (1879)
D. Von Behring (1897)

Answer 1

Hint: Vaccine helps in training the immune system to recognise and kill pathogens. Certain molecules of the pathogen should be introduced in the body to trigger an immune response. Molecules introduced are called antigens which are present on all viruses and bacteria.

Complete answer:
> Option A:
Edward Jenner (1796) Jenner was an English physician and scientist. Who introduced the smallpox vaccine. The terms vaccine and vaccination are derived from Variolae vaccinae, the term devised by Jenner which denotes cowpox.

> Option B:
Robert Koch (1876) He identified the causative agents of tuberculosis, cholera, anthrax and gave support for the experiment on the concept of infectious diseases, which include different experiments on humans and animals. He created laboratory technologies and different techniques in the field of microbiology, and made discoveries in public health. His research created Koch's postulates, 4 principles.

> Option С:
Louis Pasteur (1879) Pasteur was a French biologist, microbiologist, and chemist famous for his discoveries on vaccination principles, microbial fermentation and pasteurisation. He provided us knowledge regarding causes and prevention of diseases, and his discoveries have saved many people's lives.

> Option D:
Von Behring (1897) von Behring, was a German physiologist who got the 1901 Nobel Prize in Physiology and Medicine, he was the first one awarded in that field because of his discovery of a diphtheria antitoxin. He was known as a "saviour of children," as diphtheria was a major cause of child death.

Hence, the correct answer is option ().

Note: Edward Jenner is the founder of vaccinology in 1796, after he inoculated a 13 year-old-boy with vaccinia virus that was cowpox and demonstrated immunity to smallpox. In 1798, the smallpox vaccine was developed.