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Killed or Inactivated Vaccines Are Prepared by

Question 63

Multiple Choice

Killed or inactivated vaccines are prepared by


A) removal of virulence genes from the microbe.
B) treatment with formalin, heat, or radiation.
C) passage of the pathogen through unnatural hosts or tissue culture.
D) long-term subculturing of the microbe.
E) All of the choices are correct.

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