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Reported Tuberculosis in the United States, 2022						Print
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Table 24. Tuberculosis Cases and Clusters by Cluster Size:1 United States, 2020–2022
See surveillance slide #49.
Table 24. Tuberculosis cases and clusters by cluster size.
Cluster size
Clusters
Cases2No.
(%)3
No.
(%)4Total
987
(100.0)
2,999
(100.0)2 case cluster
675
(68.4)
1,350
(45.0)3 case cluster
139
(14.1)
417
(13.9)4 case cluster
64
(6.5)
256
(8.5)5 case cluster
36
(3.7)
180
(6.0)6 case cluster
17
(1.7)
102
(3.4)7 case cluster
9
(0.9)
63
(2.1)8 case cluster
13
(1.3)
104
(3.5)9 case cluster
7
(0.7)
63
(2.1)≥10 case cluster
27
(2.7)
464
(15.5)1wgMLSType clusters have two or more cases with matching wgMLSType within a county during the specified 3-year time period.2Cases with matching wgMLSType are members of a cluster within a county during the specified 3-year time period.3Denominator is total number of clusters.4Denominator is total number of cases.
**Note:**
Data for all years are updated through July 8, 2023.Table Printing Tips
							
					
							Last Reviewed:  November 15, 2023						Source: 	Division of Tuberculosis Elimination, National Center for HIV, Viral Hepatitis, STD, and TB Prevention, Centers for Disease Control and Prevention
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No. 2, 2023TB Notes. No. 1, 2023TB Notes, No. 4, 2022TB Notes, No. 3, 2022TB Notes, No. 2, 2022TB Notes, No. 1, 2022TB Notes, No. 4, 2021TB Notes, No. 3, 2021TB Notes, No. 2, 2021TB Notes, No. 1, 2021Pamphlets, Brochures, Bookletsplus iconQuestions and AnswersPatient Education SeriesTuberculosis - Get the FactsTuberculosis - The Connection between TB and HIV12-Dose Regimen for Latent TB Infection-Patient Education BrochurePostersplus iconMantoux Tuberculin Skin Test Wall ChartWorld TB DayThink TBStop TBTake on TBReports & Articlesplus iconDTBE Authored Journal ArticlesTuberculosis Laboratory Aggregate ReportsSlide Setsplus iconIntroduction to TuberculosisEpidemiology of Tuberculosis Among Non-U.S.​–Born Persons in the United States, 1993–2016Self-Study Modules on Tuberculosis, 1-5 Slide SetsThe Tuberculosis (TB) in Correctional Settingsplus iconFacilitator GuideIntroduction to TB GenotypingEpidemiology of Tuberculosis in Correctional Facilities, United States, 1993-2017Prevention and Control of Tuberculosis in Correctional and Detention FacilitiesGuidelines for Preventing the Transmission of M. TB in Health care SettingsInvestigation of Contacts of Persons with Infectious TBEpidemiology of Pediatric Tuberculosis in the United StatesTargeted Tuberculosis Testing and Treatment of Latent Tuberculosis InfectionElectronic Tools & ResourcesWeb-Based Courses & Webinarsplus iconTB 101 for Health Care WorkersContent SyndicationInfographicsplus iconSocial Media GraphicsCustomizable Take on TB Infographic with InstructionsEventsWorld TB Dayplus iconU.S. TB ChampionsHistoryFeaturesplus iconTB Risk FactorsTreating Latent TB Infection with Short-Course RegimensWorld Tuberculosis (TB) Day 2021World Tuberculosis (TB) Day 2020Linksplus iconState TB Control OfficesAbout Usplus iconMission Statement and Activitiesplus iconDTBE Strategic PlanNational TB Program ObjectivesOrganization ChartAdvisory Groupsplus iconFederal TB Task Force To receive email updates about this page, enter your email address: Email Address			What's this?				Submit


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