If your child receives immunization from another health care provider, please notify the health unit. The health unit does not receive immunization information from family doctors or clinics. If you would like to update/or provide your child's immunization history to the health unit, please fill out this form and fax it to the Simcoe Muskoka District Health Unit at (705)721-1495 or mail it to: VPD Program, Simcoe Muskoka District Health Unit, 15 Sperling Drive, Barrie, ON L4M 6K9