Chicken pox vaccine is -
Prevention of chickenpox

For prevention of chickenpox, following are used-

i)    Varicella zoster immunoglobulin (VZIG)

VZIG is given within 72 hours of exposure in exposed susceptible individuals.
It is given intramuscularly with a repeat dose in 3 weeks.
Because VZIG bind to the varicella vaccine, the two should not be given concomitantly.

ii) Vaccine

Varicella vaccine is a live attenuated vaccine and is recommended for children between 12-18 months of age.
Efficacy of vaccine is 90 - 95% and the duration of immunity is probably 10 years.
Two doses are recommended in person older than 12 years of age.
Live vaccine
Killed vaccine
Conjugated vaccine
None of the above