Question

Which of the following is associated with passive immunity? A) exposure to an antigenB) infusion of weakened virusesC) passage of IgG antibodies from a pregnant mother to her fetus D) booster shot of vaccine

Answer 1

Hey there!:

Passive immunity can occur naturally, when maternal antibodies are transferred to the fetus through the placenta, and it can also be induced artificially.

The option D passage of IgG antibodies from a pregnant mother to her fetus is the correct answer