Abstract
Background: Most studies that have evaluated the impact of infection-control measures (ICM) reported a decrease in latent tuberculosis (TB) and not in TB. The objective of this study was to evaluate the impact of ICM on TB incidence among Health Care Workers (HCW's). Methods: We conducted a retrospective record review study in a general, tertiary care, university-affiliated hospital. All TB case reports among HCWs in the hospital from 2005 to 2018 were reviewed. The TB incidence was measured before and after 2012 to evaluate the impact of ICM implemented. Findings: In total, there were 53 TB cases. The number of TB cases before and after the implementation of ICM was 42 (incidence: 100.0 cases/100,000 HCWs/year) and 11 (incidence: 26.2 cases/100,000 HCWs/year), respectively (p < .0001). Conclusions/Application to Practice: TB incidence among HCWs reduced significantly after the implementation of ICM. The establishment of ICM, such as written TB infection control plan, monitoring, screening, training, and education, can reduce TB incidence.
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