Spatially targeted screening to reduce tuberculosis transmission in high-incidence settings

Patrick G.T. Cudahy, Jason R. Andrews, Alyssa Bilinski, David W. Dowdy, Barun Mathema, Nicolas A. Menzies, Joshua A. Salomon, Sourya Shrestha, Ted Cohen

Research output: Contribution to journalReview articlepeer-review

Abstract

As the leading infectious cause of death worldwide and the primary proximal cause of death in individuals living with HIV, tuberculosis remains a global concern. Existing tuberculosis control strategies that rely on passive case-finding appear insufficient to achieve targets for reductions in tuberculosis incidence and mortality. Active case-finding strategies aim to detect infectious individuals earlier in their infectious period to reduce onward transmission and improve treatment outcomes. Empirical studies of active case-finding have produced mixed results and determining how to direct active screening to those most at risk remains a topic of intense research. Our systematic review of literature evaluating the effects of geographically targeted tuberculosis screening interventions found three studies in low tuberculosis incidence settings, but none conducted in high tuberculosis incidence countries. We discuss open questions related to the use of spatially targeted approaches for active screening in countries where tuberculosis incidence is highest.

Original languageEnglish (US)
Pages (from-to)e89-e95
JournalThe Lancet Infectious Diseases
Volume19
Issue number3
DOIs
StatePublished - Mar 2019

ASJC Scopus subject areas

  • Infectious Diseases

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