CDC’s Division of Tuberculosis Elimination’s (DTBE) recently published an article in the Morbidity and Mortality Weekly Report (MMWR) entitled, “Large Outbreaks of Tuberculosis — United States, 2017–2023.”
Although the United States has one of the lowest TB rates in the world, TB outbreaks still occur. Between 2017 and 2023, the United States had 50 large TB outbreaks, defined as 10 or more TB cases related by transmission during a 3-year period, involving a total of 1,092 cases identified in 23 states. CDC’s nationwide whole-genome sequencing of Mycobacterium tuberculosis among TB cases is essential to identifying and characterizing large outbreaks.
