Association between recent internal travel and malaria in Ugandan highland and highland fringe areas.


Lynch, CA; Bruce, J; Bhasin, A; Roper, C; Cox, J; Abeku, TA; (2015) Association between recent internal travel and malaria in Ugandan highland and highland fringe areas. Tropical medicine & international health , 20 (6). pp. 773-80. ISSN 1360-2276 DOI: 10.1111/tmi.12480

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Abstract

OBJECTIVE: To examine the association between travel (recency of travel, transmission intensity at destination compared to origin and duration of travel) and confirmed malaria in Uganda.<br/> METHODS: Health facility-based case-control study in highland (~2200 m), and highland fringe (~1500 m) areas with adjustment for other covariates.<br/> RESULTS: In the highland site, patients who had travelled to areas of higher transmission intensity than their home (origin) areas recently were nearly seven times more likely to have confirmed malaria than those who had not (OR 6.9; P = 0.01, 95% CI: 1.4-33.1). In the highland fringe site, there was also a statistically significant association between travel and malaria (OR 2.1; P = 0.04, 95% CI: 1.1-3.9).<br/> CONCLUSIONS: For highland areas, or areas of low malaria transmission, health authorities need to consider internal migrants when designing malaria control programs. Control interventions should include information campaigns reminding residents in these areas of the risk of malaria infection through travel and to provide additional mosquito nets for migrants to use during travel. Health authorities may wish to improve diagnosis in health facilities in highland areas by adding travel history to malaria case definitions. Where routine monitoring data are used to evaluate the impact of interventions on the malaria burden in highland areas, health authorities and donors need ensure that only cases from the local area and not 'imported cases' are counted.<br/>

Item Type: Article
Faculty and Department: Faculty of Infectious and Tropical Diseases > Dept of Disease Control
Faculty of Infectious and Tropical Diseases > Dept of Pathogen Molecular Biology
Faculty of Epidemiology and Population Health > Dept of Infectious Disease Epidemiology
Research Centre: Malaria Centre
Maternal Health Group
PubMed ID: 25689689
Web of Science ID: 354186900010
URI: http://researchonline.lshtm.ac.uk/id/eprint/2115572

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