Identifying areas and risk groups with localised Mycobacterium tuberculosis transmission in northern England from 2010 to 2012: spatiotemporal analysis incorporating highly discriminatory genotyping data.

María Saavedra-Campos, William Welfare, Paul Cleary, Andrew Sails, Andy Burkitt, Daniel Hungerford, Ebere Okereke, Peter Acheson, Marko Petrovic

    Research output: Contribution to journalArticlepeer-review

    Abstract

    BACKGROUND: Information on geographical variation in localised transmission of TB can inform targeting of disease control activities. The aim of this study was to estimate the proportion of TB attributable to localised transmission for the period 2010-2012 in northern England and to identify case characteristics associated with spatiotemporal-genotypical clusters. METHODS: We combined genotyping data with spatiotemporal scan statistics to define an indicator of localised TB transmission and identified factors associated with localised TB transmission thus defined in a multivariable logistics regression model. RESULTS: The estimated proportion of TB cases in northern England attributable to localised transmission was 10% (95% CI 9% to 12%). Clustered cases (cases which were spatiotemporally clustered with others of identical genotype) were on average younger than non-clustered cases (mean age 34 years vs 43 years; p value
    Original languageEnglish
    JournalThorax
    DOIs
    Publication statusPublished - 28 Apr 2015

    Keywords

    • Clinical Epidemiology
    • Respiratory Infection
    • Tuberculosis

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