A member asked:

Hi, how long does passive immunity to chicken pox last for breast feeding babies?

A doctor has provided 1 answer

? passive ?: The passive immunity a baby receives is in the form of IGG passed through the placenta prior to birth. This probably lasts about 3 months. The secretory IGA in breast milk has little to no effect on chickenpox immunity.

Answered 4/23/2016

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