If a person is vaccinated against a disease sometime in the past, which of the following is currently in your body?

The disease organism itself and antigens for the disease organism

A very high level of antibodies against the disease antigens

Memory B lymphocytes for the antigen of this disease organism

If a person is vaccinated against a disease sometime in the past, whic

1.	If a person is vaccinated against a disease sometime in the past, which of the following is currently in your body?
A.	The disease organism itself and antigens for the disease organism
B.	A very high level of antibodies against the disease antigens
C.	Memory B lymphocytes for the antigen of this disease organism
D.	All of the above
Answer» E.