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Biology, 29.01.2020 11:45 therealnana

Which of these is an example of active immunity?
a. a pregnant women passing antibodies to the fetus across the placenta.
b. a pregnant women giving antibodies to an infant through breast milk.
c. a person developing antibodies against the measles vaccine.
d. a person receiving antibody shots after being bitten by a rabid animal.

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Which of these is an example of active immunity?
a. a pregnant women passing antibodies to th...
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