Tuberculosis contact investigation: Two years of experience in New York City correctional facilities

摘要: Abstract Background: An increasing incidence of tuberculosis has been observed in the New York City correctional system. Methods: The diagnosis active persons within setting results an investigation, with identification and screening contacts. Results: Thirty-four such investigations past 2 years system, where all inmates are screened for on admission, have resulted overall tuberculin skin test conversion rate 6.74% 1306 inmates. In 21 these index had both smears cultures positive Mycobacterium was 7.37% 719 contacts tested. seven patient a culture only M. 6.58% 243 six which patients were subsequently found to nontuberculous pneumonia or mycobacteria other than 5.52% 344 These rates not statistically different. Conclusions: Whether conversions events any contact due intramural spread, anergy booster phenomenon, incubation disease admission is known. 5.5% those exposed confirmed suggests influence phenomenon consideration two-step testing admission.