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Dr. Su S.
Dr. Su S., Pediatrician
Category: Pediatrics
Satisfied Customers: 20945
Experience:  20 years of experience in treating children.
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My 2 yr old is up to date on all vaccines, but the Mmr and

Customer Question

My 2 yr old is up to date on all vaccines, but the Mmr and chicken pox. 2 months ago at her 2 yr check up she had the hep a vaccine and gearing up for school I was going to have her get the Mmr 2 months after her hep A and then 2 months after that the chicken pox vaccines. Does this sounds ok? Why do the live vaccines need to be given together or at least 30 days separated?
Submitted: 1 year ago.
Category: Pediatrics
Expert:  Dr. Su S. replied 1 year ago.

Greetings,

Thank you for your question.

I am Dr. Su S. and I will try my best to help you.

When a live vaccine is given, body develops immunity.

To have an optimum immunity, it can need 3-4 weeks.

During this time, if another live vaccine is administered there can be interference with development of immunity.

So at least 4 weeks interval is advised.

2 months gap is OK, you can go ahead with your plan.

I hope this information will be helpful.

If you have any query, please feel free to ask.

If you are happy with my answer please click on the Excellent/Good rating.

Wish her healthy life.

Regards.