8. Although vaccines cannot be used to treat a person who is sick, they can help to prevent
infections. Vaccinations tell the body to create "memory cells", which will function later to create
antibodies against certain pathogens. When a person is vaccinated, what are they injected with?
(2 Points)
0
antibodies to a disease bacterium
O
blood from a person who has had the disease
weakened viruses/antigens from the virus
O
live, inactive virus