How is the chickenpox vaccine used?

Vaccination

- The chickenpox (varicella) vaccine is available alone, or in combination with other vaccines.

- The vaccine contains a weakened strain of the varicella-zoster virus, the virus that causes chickenpox and shingles.

- The vaccine is given by shot into the upper arm

- Two doses are recommended for children, adolescents and adults.

Dosage and Administration:

- Children ≥12 months and adolescents: Two 0.5-mL doses are recommended.

- Adults: Two 0.5-mL doses are recommended.

Dosing Interval:

- The second dose should be administered 4 to 8 weeks after the first.

- The second dose should be given within 36 months after the first for a person with known exposure to chickenpox.