Eli5- How do infants receive immunity through breast milk?

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Is it a whole hodgepodge of antibodies that the mother has learned to create throughout her life? Is it only illnesses that the mother (& infant) develop at the time? I feel like I should know this.

In: Biology

2 Answers

Anonymous 0 Comments

The infant can’t make antibodies at all until about 6 months of age, and remains fairly immunocompromised until around the 1 year mark. Breast milk from the mother contains whatever antibodies she has floating around in her blood, which will include stuff targeted at previous and current pathogens that she has encountered.

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