Missouri’s free immunization registry, ShowMeVax, offers a one-stop shop for tracking patient’s immunization history (from any participating Missouri provider), status and allows monitoring of vaccine inventory. ShowMeVax is easy to use and requires no new software. In fact, over 3,100 health care providers at over 550 clinics and other facilities have used ShowMeVax to record more than 34 million immunizations. Each day more and more health care providers and hospitals are utilizing ShowMeVax to assure complete immunization histories for their patients. After completing the approval process, ShowMeVax may be accessed using a computer. ShowMeVax can also interface with existing electronic health record (EMR/EHR) systems. If you have an EMR/EHR you may be eligible for meaningful use incentive payments from the Centers for Medicare & Medicaid Services (CMS).