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.
Correct Answer:
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Q47: Cytotoxic T cells
A)are activated by free,soluble antigens.
B)lack
Q49: An example of natural active immunity would
Q51: Immunotherapy is the
A)use of antitoxins.
B)use of immune
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A)include the Sabin polio vaccine.
B)include
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