You do not mention your son's age.You are immune to getting chicken pox, but you are pregnant.it is highly unlikely that you will get chicken pox again. There is no readily available preventer that can be offered to your son at this stage.If he should get chicken pox then he should immediately be treated on an anti-viral medicine called Aciclovir to reduce the severity of the illness. It may be a good idea for him to have the chicken pox vaccination as he has not had chicken pox and is being exposed to this illness.
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