The impact of vector control for malaria on lymphatic filariasis in Tanzania


Weaver, AM (2018) The impact of vector control for malaria on lymphatic filariasis in Tanzania PhD thesis, University of Liverpool.

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Abstract

In Tanzania, lymphatic filariasis (LF) caused by the filarial worm W. bancrofti is co-endemic with malaria and shares common mosquito vectors of the Anopheles species. LF mapping to estimate prevalence in 2004 determined the entire country was LF-endemic. However, by 2009 it was questionable whether LF transmission persisted in some districts that had not yet initiated mass drug administration (MDA) to interrupt transmission. Over the same period, national scale-up in distribution of insecticide-treated nets (ITNs) and focalised scale-up of indoor residual spraying (IRS) was underway. These interventions aimed at reducing vector populations should plausibly facilitate interruption of LF transmission, however this has not been thoroughly investigated in Tanzania. This research project sought to 1) examine predicted LF risk and trends in vector control coverage on a national scale in Tanzania, 2) investigate vector control coverage on a local scale in the Lake Zone of Tanzania, and 3) assess LF exposure and its predictors in the Lake Zone. First, secondary data analyses confirmed the risk of LF is highly variable throughout Tanzania. Nationally, household ITN ownership increased from 38% in 2007-08 to 92% in ... (continues)

Item Type: Thesis (PhD)
Divisions: Faculty of Health & Life Sciences
Depositing User: Symplectic Admin
Date Deposited: 18 Jul 2019 09:01
Last Modified: 31 Oct 2024 17:19
DOI: 10.17638/03029093
Supervisors:
URI: https://livrepository.liverpool.ac.uk/id/eprint/3029093
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