Volume 8, Number 11—November 2002
THEME ISSUE
Tuberculosis Genotyping
Tuberculosis Genotyping Network, United States
Statewide Molecular Epidemiology of Mycobacterium tuberculosis Transmission in a Moderate- to Low-Incidence State: Are Contact Investigations Enough?
Table 3
Identified transmission settings for 114 patients with recently acquired tuberculosis (TB)
Settings | Total patients with known settings (%) | Setting identified by routine contact investigation (%) | Setting identified by DNA cluster investigation (%) |
---|---|---|---|
Traditional Household Close relative Close friend Nontraditional Hospital (23,28) Other workplace (24) Social club (25) Homeless shelter Bar Prison/jail (26) Store (27) Church Nursing home School Ship Mortuary (29) Total | 28 (24.6) 13 (11.4) 17 (14.9) 10 (8.8) 6 (5.3) 11 (9.6) 5 (4.4) 10 (8.8) 5 (4.4) 2 (1.8) 2 (1.8) 1 (0.9) 1 (0.9) 1 (0.9) 114 (100.0) | 25 (34.7) 13 (18.1) 11 (22.2) 5 (6.9) 6 (8.3) 7 (9.7) 0 1 (1.4) 3 (4.2) 0 0 0 0 1 (1.8) 0 (1.4) 72 (100.0) | 3 (7.1) 0 6 (14.3) 5 (11.9) 0 4 (9.5) 5 (11.9) 9 (21.4) 2 (4.8) 2 (4.8) 2 (4.8) 2 4.8) 1 (2.4) 0 (2.4) 42 (100.0) |