Preventing varicella: Recommendations for routine two-dose varicella immunization in children

This statement presents the rationale for a two-dose immunization strategy in Canada, as well as recommendations for a routine two-dose varicella vaccine schedule for all Canadian children. Children who have had one dose of varicella vaccine and have not had breakthrough infection should receive another dose of varicella vaccine. This document replaces the Canadian Paediatric Society's 2005 position statement on varicella prevention.