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Screening for HIV infection in high-risk communities by urine antibody testing
Carol Hilton1, Beulah P Sabundayo, Susan J Langan
1Department of Molecular Microbiology and Immunology, Bloomberg School of Public Health, The Johns Hopkins University, Baltimore, MD 21205-2103, USA.
Objectives:
To evaluate the effectiveness of urine screening to detect HIV-infected individuals in high-prevalence communities.
Methods:
Urine HIV testing was performed at 16 discrete events and four ongoing testing sites in Baltimore communities with a high incidence of HIV infection. When possible, positive urine test results were confirmed by blood testing. In addition, we attempted to obtain blood samples from subjects who reported a possible exposure to HIV but did not have a positive urine test.
Results:
From February 1998 to August 2001, we screened 1718 persons. Overall, 210 persons (12%) were HIV-positive, of whom 169 (80%) had never previously tested positive; 87% of those who tested positive received their results, and most were referred for medical care.
Conclusions:
Urine-based screening for HIV infection in high-prevalence inner city communities can be an effective tool for identifying and treating infected persons who are unaware of their infection.