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

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: (d).All of the above

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

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