Map of New Large TB Outbreaks: 2024

About

This map highlights the U.S. reporting areas where new large outbreaks of tuberculosis (TB) occurred in 2024.

Key Highlights

  • New large TB outbreaks occurred in 6 states in 2024: Alaska, Arkansas, California, Indiana, Kansas, and Washington.

Data map

Figure 3. New Large Outbreaks1 of Tuberculosis by Reporting Area:2 United States, 2024

Map showing six states where new large TB outbreaks were detected in 2024.
CDC maps the number of new large outbreaks of TB disease by reporting area in 2024.

1Defined as 10 or more cases of tuberculosis related by recent transmission during a 3-year period. Ongoing large outbreaks that were detected before 2024 are not included.

2Reporting area for at least 50% of cases in the large outbreak.

Notes

Data for all years are updated through July 10, 2025.

See Technical Notes.

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Content Source:
National Center for HIV, Viral Hepatitis, STD, and Tuberculosis Prevention; About Division of Tuberculosis Elimination