In collaboration with Uppsala University, WHO/Europe has published new technical guidance that outlines why and how Member States should collect refugee and migrant-specific health data through their national health information systems (HIS).
https://www.euro.who.int/en/health-topics/health-determinants/migration-and-health/news/news/2020/12/new-publication-outlines-practical-steps-for-refugee-and-migrant-health-data-collection