Merck Frosst
Patients and Caregivers

Vaccine-Preventable Diseases

Chickenpox

Is VARIVAX® III effective?


Scientific studies have shown that 98% of vaccinated children (12 months to 12 years of age) have developed antibodies against the chickenpox virus 4-6 weeks after vaccination. 2,3

This site is for residents of Canada. / This site was updated on October 26, 2011.