Incidence and Spread of Mycobacterium tuberculosis-associated Infection among Aba Federal Prison Inmates in Nigeria

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Title Incidence and Spread of Mycobacterium tuberculosis-associated Infection among Aba Federal Prison Inmates in Nigeria
 
Creator Lawrence N Chigbu; Department of Microbiology, College of Medicine, Abia State University, Aba, Abia state
Christian U Iroegbu; Department of Microbiology, University of Nigeria, Nsukka, Enugu state
 
Subject Microbiology
HIV; Mycobacterium tuberculosis; Prisoners; Tuberculosis; Tuberculin skin test; Nigeria
 
Description The study was undertaken to determine transmission of Mycobacterium tuberculosis within the prison environment. In total, 168 Aba Federal prison inmates in Nigeria were evaluated for tuberculosis (TB) by sputum- smear microscopy and sputum culture, simultaneously, and for HIV status by serology. They were subsequently followed up for one year for fresh Mycobacterium-associated infection by tuberculin skin testing or for development of TB and for HIV infection or AIDS. Ninety-one (54.2%) of the 168 prison inmates had infection due to Mycobacterium, and three (3.3%) of them were sputum-smear- and culture-positive while 41 (24.4%), including one (2.4%) with concomitant TB, were HIV-infected. In a one-year follow-up study, 11 (19.3%) of 57 tuberculin skin test (TST)- and HIV-negative inmates became TST-positive and one (1.8%) HIV-positive, eight (13.8%) of the 58 TST-positive but HIV-negative inmates developed TB, and one (1.7%) became HIV-infected: six (24.0%) of 25 TST- and HIV-positive inmates developed TB while five (33.3%) of 15 TST-negative but HIV-positive inmates became TST-positive, and one (6.7%) progressed to AIDS. The duration of imprisonment did not influence the rates of infection, and the transmission of Mycobacterium tuberculosis did not necessarily require sharing a cell with a TB case. Key words: HIV; Mycobacterium tuberculosis; Prisoners; Tuberculosis; Tuberculin skin test; Nigeria DOI:  10.3329/jhpn.v28i4.6038 J HEALTH POPUL NUTR 2010 Aug;28(4):327-332  
 
Publisher International Centre for Diarrhoeal Disease Research Bangladesh (ICDDR,B)
 
Contributor
 
Date 2010-09-06
 
Type Peer-Reviewed Article
 
Format application/pdf
 
Identifier http://www.banglajol.info/index.php/JHPN/article/view/6038
 
Source Journal of Health, Population and Nutrition; Vol 28, No 4 (2010); 327-332
 
Language en
 
Coverage Nigeria