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Int J Tuberc Lung Dis. 2011 Dec;15(12):1620-3. doi: 10.5588/ijtld.11.0222.

A rapid assessment of prevailing policies on tuberculosis contact investigation.

Author information

1
Faculty of Arts and Sciences, Harvard University, Cambridge, Massachusetts 02138, USA. tjhwang@college.harvard.edu

Abstract

Contact investigation contributes to improving early case detection of tuberculosis (TB). However, its implementation in low-income, high TB burden countries remains limited. A multicountry survey of contact investigation policies was conducted to evaluate the extent of their implementation. Our results showed significant heterogeneity in definitions and procedures, with over 25% of countries unable to provide a clear definition of a contact. Estimates indicate that routine implementation of contact investigation policies globally could help detection of over a quarter of a million cases. International guidelines should be developed to support national TB programmes to initiate and scale up systematic TB contact investigation.

PMID:
22118168
DOI:
10.5588/ijtld.11.0222
[Indexed for MEDLINE]

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