Infants acquire natural passive immunity from maternal antibodies transferred across the placenta or in breast milk.

Question

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Infants do acquire natural passive immunity from maternal antibodies transferred across the placenta during pregnancy or in breast milk after birth. This immunity protects the infant from certain infections during the first few weeks or months of life until their own immune system can develop properly.

Infants Acquire Natural Passive Immunity from Maternal Antibodies Transferred Across