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A 30-year-old member asked:

Son had chicken pox vac 11 days ago. wen to bbq party today, some infants there. are they safe?

3 doctor answers10 doctors weighed in
Dr. James Ferguson
Pediatrics 46 years experience
Yes: Chicken pox vaccine has been studied since the late 70's and a wealth of knowledge has been accumulated. The vaccine virus is a much weakened strain that has the same structure as the wild virus so it can turn on the immune system but seldom cause harm. In some cases an infant may shed vaccine virus, but normal kids have negligable risk.
Dr. Kevin Windisch
Pediatrics 25 years experience
Maybe: If all the lesions crusted over a week ago then everyone is safe, if the rash only started 11 days ago, then most likely the bumps won't all be crusted over. If any bumps aren't crusted then you are contagious and the parents need to be told to see their md's asap to get vaccinated and start acyclovir.
Dr. Robert Kwok
Pediatrics 33 years experience
Yes: Once in a while, a child who got the chicken pox vaccine a few days ago can have some skin bumps containing the vaccine chicken pox virus (not the real chicken pox virus), and could pass the vaccine virus to a non-immune person, who in effect would be getting a "free vaccination" but should not get an actual case of chicken pox.

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Last updated Dec 12, 2018

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