Edward Jenner's work involved
A)inoculation of dried pus from smallpox pustules into a person to stimulate immunity.
B)development of passive immunotherapy.
C)development of an immunization to protect people against cowpox.
D)immunization using a related, less pathogenic organism to give protection against a more pathogenic one.
E)All of the choices are correct.

Question

Quizplus · Accepted Answer

Edward Jenner developed the smallpox vaccine by using material from cowpox lesions, demonstrating that exposure to a less pathogenic organism (cowpox) could provide immunity against a more pathogenic one (smallpox).

Edward Jenner's Work Involved