How soon is child protected after the chicken pox vaccine?...

Question: 

How soon is child protected after the chicken pox vaccine? In other words, how long does it take before the vaccine is effective against chicken pox exposure in the community?

Answer: 

Protective antibody levels against varicella (chickenpox) are reached within 4-6 weeks after vaccination; however, some level of protection may develop earlier. Two doses of the chickenpox vaccine are recommended for best protection.

For more information about the chickenpox vaccine, visit our chickenpox page.