How far are we from visceral leishmaniasis elimination in Bangladesh? An assessment of epidemiological surveillance data

Rajib Chowdhury, Dinesh Mondal, Vashkar Chowdhury, Shyla Faria, Jorge Alvar, Shah Golam Nabi, Marleen Boelaert, Aditya Prasad Dash

    Research output: Contribution to journalA1: Web of Science-article

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    Abstract

    INTRODUCTION: In 2005, Bangladesh, India, and Nepal joined forces to eliminate Visceral Leishmaniasis (or kala-azar) from the region by 2015. In Bangladesh the elimination target is set at less than one new case per 10,000 population per year at upazila (sub-district) level. As the deadline approaches, we review the status of the elimination initiative in this country.

    METHODS: We collected all available disease surveillance data at the Disease Control Unit of the Directorate General of Health Services, Government of Bangladesh from 1994 to 2013. Additionally, we retrieved data from the Civil Surgeon Office from the Mymensingh district, one of the most heavily affected areas in Bangladesh.

    RESULTS: Between 1994 and 2013, 109,266 kala-azar cases causing 329 deaths were reported from 37 endemic districts in Bangladesh. Only 16 districts reported cases every year. The Mymensingh district was the most affected with 53,582 (49.04%) cases. Between 2008 and 2013 only 16 upazilas showed incidence rates above the elimination target in which they ranged from 1.06 to 18.25 per 10,000 people per year.

    DISCUSSION: While clear progress has been made towards eliminating VL, 16 upazilas in Bangladesh had not yet reached the target in 2013, based on official notification data that probably suffered from under-reporting bias. The elimination initiative urgently needs to establish methods to ascertain and monitor the elimination target.

    Original languageEnglish
    JournalPLoS Neglected Tropical Diseases
    Volume8
    Issue number8
    Pages (from-to)e3020
    ISSN1935-2727
    DOIs
    Publication statusPublished - 2014

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