Question

Which would indicate that a vaccine is protecting a person from future disease?

an increase in antibodies
the production of a fever
the production of phagocytes
an occurrence of inflammation

Answer 1

$\mathbb \red{an \: increase \: in \: antibodies}$

hope it's help you

Answer 2

Answer:

An increase in antibodies

Explanation:

I completed the test, and for sure the answer is the first option.