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Tuberculosis (TB)





Reported Tuberculosis in the United States, 2020						Print
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					Return to Main MenuFigure 1Estimated cases attributed to recent transmission of tuberculosis, United States, 2019-2020[JPG - 387 KB]Recent transmission is evaluated using national TB molecular surveillance data. A case is estimated to be attributed to recent transmission if a plausible source case can be identified who: has the same*M. tuberculosis* genotype, has an infectious form of TB disease, resides within 10 miles of the case, is 10 years of age or older, and was diagnosed within 2 years prior to the case’s diagnosis date.
A map of the United States is displayed with state borders as well as county or county equivalent borders for those jurisdictions that had at least one genotyped TB case that could be evaluated for recent transmission during 2019–2020. Counts of cases attributed to recent transmission are shaded by county or county equivalent to depict relative numbers of cases attributed to recent transmission. All 50 states are shown; the New York City metropolitan area is represented as a zoomed in frame on the map. A total of 13 county or county equivalents (associated with large urban settings) had more than 20 TB cases attributed to recent transmission during 2019–2020.
							
					
							Last Reviewed:  October 15, 2021						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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        Syndicate homeTuberculosisData and Statisticsplus iconTB Incidence in the United StatesReported TB in the US, 2022 Surveillance Reportplus iconNational DataReporting Area DataRisk FactorsDemographicsTB Treatment and Case OutcomesDrug-Resistant TBMolecular SurveillanceTuberculosis in the United States, 2022 (Slide Set)Archived Surveillance Reports and Slide Sets2021 State and City ReportArchived State and City Reports To receive email updates about this page, enter your email address: Email Address			What's this?				Submit
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