Multiple Choice
Pathogens may be attenuated for use in vaccines by
A) raising the pathogen for several generations in tissue culture cells.
B) genetic manipulation.
C) treatment with formaldehyde.
D) genetic manipulation coupled with treatment with formaldehyde.
E) genetic manipulation and/or raising the pathogen for several generations in tissue culture cells.
Correct Answer:
Verified
Correct Answer:
Verified
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