The value set to instantiate this attribute should be drawn from a terminologically robust code system that consists of or contains concepts to support the definition of dates relevant to recommendations for future doses of vaccines. This value set is provided as a suggestive example.
API
Project FHIR API
This is the location where you can find your resource using a FHIR client.
Simplifier FHIR API
The global endpoint is where users can search for all resources in Simplifier. Resources have a globally unique guid Id here.