Tuberculosis among foreign-born persons in New York City, 1992-1994: implications for tuberculosis control.

摘要: OBJECTIVE To study the pattern of transmission tuberculosis (TB) among foreign-born persons living in New York City. DESIGN A retrospective multicenter comparing 158 patients to 231 US-born diagnosed with TB between 1992 and 1994. The were stratified according their Mycobacterium isolate DNA fingerprint patterns. RESULTS Nineteen (16%) 122 isolates from 75 (42%) 180 had patterns (cluster patterns) indicative recent exogenous (P < 0.001). All cluster strains cases identical those found patients. likelihood infection a strain increased duration residence US, was significantly associated being homeless 0.05), or having multidrug-resistant = 0.00072). CONCLUSION Although most (84%) City appear result reactivation infections they acquired abroad, ones who acquire new become infected that are already circulating City, have risk factors similar faced by