Question: 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
A very high level of antibodies against the disease antigens
Memory B lymphocytes for the antigen of this disease organism
All of the above
[A].
[B].
[C].
[D].
Answer: Option D
Explanation:
No answer description available for this question.