Answer:
Vaccines
Explanation:
Vaccines are a type of medicine that causes the body to make antibodies against certain viruses. Just like the coronavirus vaccine.
I believe the answer is A
Compatibility of the blood products is an important concern when transfusing blood between individuals.Getting a transfusing that does not work with your blood type could result to your immune system fighting the donated blood.
The term that is best described in the phrase "the maltreatment of a person toward a negative goal" be social undermining. In addition, social undermining is an act wherein you have these negative evaluations to a person just to prevent him/her to become successful. This is usually done out of jealousy.