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Latest data reports

  • 2019 TB Data Summary
    In 2019, 134 cases of TB were reported in King County, for an incidence of 6.0 cases per 100,000, a significant increase from 2018 (94 cases; 4.3 cases per 100,000). In 2019, there was one death related to TB disease in King County. Over a third of 2019 cases (34%) were reported in the City of Seattle. SeaTac, Tukwila, Federal Way, and Renton had some of the highest incidence rates (range: 12.4-24.0 per 100,000 population). Twenty King County cities did not report any TB cases in 2019.
  • 2017 Annual TB Report
    In 2017, TB was at an all-time low in King County. There were 97 reported cases, down from 101 cases in 2016 and 161 ten years ago in 2007. This corresponded to a case rate of 4.5 cases per 100,000 population.