Advisory Committee on Immunization Practices / Administration of VariZIG™ / Massachusetts Department of Public Health Division of Epidemiology and Immunization VariZIG™ Investigational New Drug Available for Postexposure Prophylaxis / FDA / If administration / Public Health Division of Epidemiology and Immunization VariZIG™ Investigational New Drug Available for Postexposure Prophylaxis of Varicella / / /