An infectious disease researcher isolates the pathogen responsible for an emerging disease. The microbe is grown in the lab. A preparation of the laboratory-grown microbe is treated with a lethal dose of ionizing radiation and then tested for its potential as a vaccine. What type of vaccine is this?
A. attenuated
B. subunit
C. combination
D. toxoid
E. inactivated whole
Answer: E
Biology & Microbiology
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