de Steenwinkel, JEMvan Soolingen, DBakker-Woudenberg, IAJM2025-03-242025-03-24201310.3201/eid1903.121849https://rivm.openrepository.com/handle/10029/647361Response to: Mycobacterium tuberculosis Beijing type mutation frequency [Letter to the editor]ArticleEmerg Infect Dis 2013; 19(3):522-32025-03-24