Technically speaking, the immunity that an infant gets from breastfeeding is called:

Question

Quizplus · Accepted Answer

The immunity that an infant gets from breastfeeding is called passive immunity because the mother is passing on pre-formed antibodies to the infant through the breast milk. This is different from active immunity in which the body produces its own antibodies in response to an antigen. Antigen protein immunity and adaptive immunity are not specific terms for the immunity acquired through breastfeeding, and innate immunity refers to the body's natural defense mechanisms that are present at birth.

Technically Speaking, the Immunity That an Infant Gets from Breastfeeding