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HomeAnswersInternal MedicinechickenpoxCan vaccine prevent chickenpox after seven days of exposure?

Can vaccine after seven days of exposure help prevent chickenpox?


The following is an actual conversation between an iCliniq user and a doctor that has been reviewed and published as a Premium Q&A.

Answered by

Dr. Shobhit Shah

Medically reviewed by

iCliniq medical review team

Published At May 15, 2018
Reviewed AtJanuary 19, 2024

Patient's Query

Hello doctor,

I felt the head of a young girl and then hugged her for a second in the same room for three to four minutes. The next day, she broke out with chickenpox. What are my chances of getting chickenpox, and will getting the vaccine seven days later help me?

Answered by Dr. Shobhit Shah


Welcome to icliniq.com.

I understand your concern.

An infectious person becomes contagious one to two days before the actual recognition of chickenpox.

The vaccine is more effective within three days. But it can be given thereafter too.

Any person can get chickenpox after 10 to 21 days of exposure.

Chickenpox appears once in a lifetime. Usually, there is no second attack.

Thank you.

Same symptoms don't mean you have the same problem. Consult a doctor now!

Dr. Shobhit Shah
Dr. Shobhit Shah

Internal Medicine

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