Medical Definition of Vaccination. Vaccination: Injection of a killed microbe in order to stimulate the immune system against the microbe, thereby preventing disease. ... To immunize against viral diseases, the virus used in the vaccine has been weakened or killed.
Answer:
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Explanation:
Hoping I was both correct and quick enough-- good luck!
Answer:
option D) is absolutely right
Explanation:
hope it helps ❤️
Always the result of improper conditioning