Varicella Proof of Immunity - 2015 Update: An Advisory Committee Statement (ACS)

The National Advisory Committee on Immunization (NACI) currently recommends a 2-dose varicella vaccination schedule for all children aged 12 months to 12 years of age. Susceptible adolescents (12 to 17 years) and adults (18 years and older) should also be vaccinated. The Canadian Immunization Guideenumerates criteria for proof of immunity.