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Chart: Number of TB Cases in U.S.-born vs. Foreign-born Persons, United States, 1993-2006

U.S. TB Cases by Birthplace

Number of TB Cases in U.S.-born vs. Foreign-born Persons, United States, 1993-2006

Tuberculosis (TB) is an airborne infectious disease that is spread from person to person, usually through coughing. Every person identified with pulmonary TB disease has the potential to infect others, if not promptly diagnosed and treated. Despite efforts targeted at interrupting transmission, all 50 states and the District of Columbia continue to report TB cases; 13,779 cases of TB were reported in the U.S. in 20061.

Although the overall rate of TB in the United States has declined substantially since 1992, the rates of decrease among foreign-born persons have been much smaller than those for U.S.-born persons. In addition, the proportion of TB cases reported in persons born outside the United States has continued to increase2. The percentage of TB cases occurring in foreign-born persons increased from 29% in 1993 to 57% in 2006. Overall, the number of cases in foreign-born persons remained virtually level, with approximately 7,000-8,000 cases each year, whereas the number in U.S.-born persons decreased from more than 17,000 in 1993 to fewer than 6,000 in 20061.


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Reference List

1Centers for Disease Control and Prevention (CDC). Reported Tuberculosis in the United States, 2006. U.S.Department of Health and Human Services, CDC . 2007. Atlanta, GA. Ref Type: Report

2Centers for Disease Control and Prevention (CDC). Trends in tuberculosis incidence—United States, 2006. MMWR - Morbidity & Mortality Weekly Report. 2007;56:245-250.


Page last reviewed: November 7, 2007
Page last updated: November 7, 2007
Content source: National Center for HIV/AIDS, Viral Hepatitis, STD, and TB Prevention
Content owner: National Center for Health Marketing
URL for this page: http://www.cdc.gov/DataStatistics/2007/tuberculosis/


 

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