Immunization What is Immunization Tracker? What is Immunization Order? How to Add Vaccine and Lot? How to Administer Vaccine? How to Record History Dose and Refusal? What are Recurring Doses? How to Add an Unscheduled Vaccine Order for a Patient? What is Meant by History and Forecast? What is FlexScan Inventory System? How to Add VIS Documentation While Adding a Vaccine? How to Assign Immunizations? How to View Refusal Reason on Immunization Report? How to View Certificate of Immunization?