Varicella (Chickenpox) Vaccine
The varicella vaccine protects against chickenpox infection.
Who should get vaccinated?
The varicella vaccine is recommended for:
- Children aged 12 months and older
- Adolescents and adults who have not had chickenpox or been vaccinated
- Healthcare workers
- Travellers
- Individuals at increased risk of exposure
Common varicella vaccines include Varivax and Varilrix.
Dosage Schedule
Children
- First dose: 12–15 months of age
- Second dose: 4–6 years of age
Adolescents and adults (not previously vaccinated):
- Two doses
- Second dose given at least 4–8 weeks after the first dose
A full two-dose course provides the best protection.
Booster Requirement
- Booster doses are not routinely required after completing the two-dose schedule.
Administration Method
- Given as an injection, usually in the upper arm or thigh
Possible side effects
Common side effects are usually mild and may include:
- Pain, redness, or swelling at the injection site
- Mild fever
- Mild rash
- Fatigue
Serious side effects are rare.
Eligibility for Children
- Approved for use in children aged 12 months and older
- Routinely included in childhood vaccination schedules in many countries
