First outbreak of multi-drug resistant tuberculosis (MDR-TB) in Denmark involving six Danish-born cases
Background: Denmark is a tuberculosis (TB) and multi-drug resistant (MDR) TB low-incidence country at 5 and 0.05 cases per 100.000 population, respectively. Until 2018, transmission of MDR-TB was nonexistent except for few pairwise related family-cases. In this study we describe the first MDR-TB outbreak in Denmark. Methods: Based on genotyping of all Mycobacterium tuberculosis (Mtb) culture-positive …