A) tried to develop vaccine
B) discovered penicillin
C) introduced the term cell
D) discovered the life of malaria in mosquito.
Correct Answer: A
Solution :
: Artificial immunization against smallpox was practiced in various communities by the unsafe method of inoculating smallpox exudates through the skin (variolation). Until, in 1796, the safer method of inoculating cowpox exudates (vaccination) was discovered by the Gloucestershire doctor Edward Jenner. Edward Jenner was the first person who tried to develop vaccine. Vaccination, the word Jenner invented for his treatment was adopted by Pasteur for immunization against any disease.
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