Emerging Infectious Disease ISSN: 1080-6059

Mycobacterium tuberculosis Transmission between Cluster Members with Similar Fingerprint Patterns

Kashef Ijaz*, Zhenhua Yang†, H. Stewart Matthews‡, Joseph H. Bates‡§, and M. Donald Cave§¶

Author affiliations: *Centers for Disease Control and Prevention, Atlanta, Georgia, USA; †University of Michigan, Ann Arbor, Michigan, USA; ‡Arkansas Department of Health, Little Rock, Arkansas, USA; §University of Arkansas for Medical Sciences, Little Rock, Arkansas, USA; ¶Central Arkansas Veterans Healthcare Services, Little Rock, Arkansas, USA

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Figure 2

Epidemologic links among tuberculosis patients, Arkansas, 1992–1998. The circles represent the three public bars associated with the cluster of patients. Patient (Pt.) numbers enclosed with boxes and oval circles show patient isolates with patterns A and B, respectively. Parentheses show year of diagnosis. Solid black lines show epidemiologic links found during contact investigations. Dashed black lines show additional epidemiologic links discovered after DNA fingerprinting was done on the isolates and after standardized interviews were conducted with the clustered patients. Absence of lines means that no epidemiologic links were discovered for patients.

Figure 2. Epidemologic links among tuberculosis patients, Arkansas, 1992–1998. The circles represent the three public bars associated with the cluster of patients. Patient (Pt.) numbers enclosed with boxes and oval circles show patient isolates with patterns A and B, respectively. Parentheses show year of diagnosis. Solid black lines show epidemiologic links found during contact investigations. Dashed black lines show additional epidemiologic links discovered after DNA fingerprinting was done on the isolates and after standardized interviews were conducted with the clustered patients. Absence of lines means that no epidemiologic links were discovered for patients.

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