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Volume 8, Number 11—November 2002
Tuberculosis Genotyping
Tuberculosis Genotyping Network, United States

DNA Fingerprinting of Mycobacterium tuberculosis Isolates from Epidemiologically Linked Case Pairs

Diane E. Bennett*Comments to Author , Ida M. Onorato*, Barbara A. Ellis*, Jack T. Crawford*, Barbara Schable*, Robert Byers*, J. Steve Kammerer*, and Christopher R. Braden*
Author affiliations: *Centers for Disease Control and Prevention, Atlanta, Georgia, USA;

Main Article

Table 1

Characteristics of source and secondary cases in epidemiologically defined tuberculosis case pairs from seven states, 1996–2000

Characteristic Tuberculosis case pairs (%) (n=538)
Source cases (%) (n=397) Secondary cases (%) (n=538)
Men 62 60
Women 38 40
White 16 16
Black or African-American 51 56
Hispanic 17 15
Asian or Pacific Islander 16 13
<15 yrs 1 14
15–44 yrs 61 54
44–65 yrs 28 26
>65 yrs 9 7
History of previous tuberculosis 7 3
Foreign-born 35 25
Pulmonary disease 95 91
Negative sputum smear 25 47
Cavitary disease 47 22
Homeless 9 7
Alcoholic 27 22
Injection drug user 6 5
HIV seropositive 11 9

Main Article

Page created: July 19, 2010
Page updated: July 19, 2010
Page reviewed: July 19, 2010
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