SantéMPI is an advanced master patient index solution designed to link patient records into a cohesive virtual record across various systems. It enables remote patient registration and vaccination program enrollment while maintaining strong privacy and security through probabilistic matching. The solution is compatible with platforms such as OpenHIE, OpenMRS, OSCAR EMR, and VistA EHR, and functions effectively in low-connectivity environments via its Disconnected Gateway and MPI Registration App. In the context of COVID-19, SantéMPI supports population registration, prioritizes vaccination cohorts, manages vaccination plans, generates vaccination cards, and integrates with data visualization tools like DHIS2. Its health focus areas include maternal and child health, among others.