Background: Persons with migrant backgrounds (PMB) are considered ‘hard to reach’. To sustainably integrate migrant populations into health monitoring in Germany, the Robert Koch Institute (RKI) has launched the project Improving Health Monitoring in Migrant Populations (IMIRA), providing results on response rates, sample composition and the effectiveness of sequential interventions. Method: A multilingual feasibility study had been conducted in two German federal states, utilizing data from the residents’ registry. The target populations were persons with Turkish, Polish, Romanian, Syrian and Croatian citizenship living in Germany (n=9,068). Different modes of administration and interventions (study hotline, home visits) were used sequentially. To …