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Abstract
This project evaluated the Multnomah County Health Department’s Tuberculosis (TB) Control and Prevention Program, focusing on treatment initiation for latent TB infection (LTBI) among homeless individuals. Using a retrospective cohort design, we analyzed TB screening and follow‑up data collected from 2002–2008 and compared outcomes between foreign‑born and U.S.-born homeless clients. Although Oregon’s overall TB incidence was low, foreign‑born and homeless populations faced substantially higher risk. We hypothesized that foreign‑born homeless clients would begin LTBI treatment at a higher rate than U.S.-born homeless clients. This study provides insight into treatment disparities within overlapping high‑risk groups and informs targeted TB prevention strategies.