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Pastimes : Alternative Medicine/Health
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To: LLCF who wrote (55)11/2/1999 4:58:00 PM
From: scaram(o)uche  Read Replies (1) of 357
 
Yes. Antibodies (certain types) cross the placenta, and it's pretty much a "how much the mom has got is how much the baby gets" type of thing. An active infection is almost always better at evoking an antibody response than is immunization. So.... placentas see many more [measles-specific] molecules in moms that have been sick than in moms than have been vaccinated.

Passive immunization..... the rule of thumb is that kids are protected by mom's antibodies for about a six month window. There are genetic factors that affect the quality of antibody as well as the quantity, but that six month window is generally a function of quantity.
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