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.
This is true hopefully you chose the correct answer.
Answer:B.
Explanation:Option A would not be an affective coping mechanism and neither would C.
Number 7 is b
Number 8 is a