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Preliminary examination of integrated vector management in a tropical rainforest area of Cameroon

Preliminary examination of integrated vector management in a tropical rainforest area of Cameroon

Matthews, G.A., Dobson, H.M., Nkot, P.B., Wiles, T.L. and Birchmore, M. (2009) Preliminary examination of integrated vector management in a tropical rainforest area of Cameroon. Transactions of the Royal Society of Tropical Medicine and Hygiene, 103 (11). pp. 1098-1104. ISSN 0035-9203 (doi:10.1016/j.trstmh.2009.03.003)

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Abstract

In the tropical rainforest area of Cameroon, people are affected by blackflies (Simulium spp.) and mosquitoes (Anopheles spp). Use of insecticide-treated bed nets (ITNs) has been promoted to protect vulnerable groups from mosquito bites, whereas historically indoor residual spraying (IRS) was the primary intervention. In a malaria-endemic area, a pilot study examined different mosquito control interventions applied to entire villages to assess their impact on vectors, malaria incidence and the quality of life of the communities. The Sanaga River near these villages was treated with insecticide to kill blackfly larvae. A medical survey of the six villages had shown that 20% of the population suffered from malaria, while 50% were infected with onchocerciasis and 5% with Loa loa. IRS + ITN using ICON CS (lambda-cyhalothrin capsule suspension formulation) or improved screening of houses combined with outdoor misting reduced the numbers of mosquitoes collected from exit traps compared to the other treatments. More sporozoites were detected in mosquitoes sampled in exit traps in the untreated village than in the treated villages. Malaria incidence several months after treatments was not significantly different from pre-treatment levels. Blackfly adult populations were reduced for several weeks following larvicide application but recovered when treatment was halted.

Item Type: Article
Uncontrolled Keywords: disease vectors, prevention and control, malaria, onchocerciasis, river blindness, Cameroon
Subjects: R Medicine > RA Public aspects of medicine > RA0421 Public health. Hygiene. Preventive Medicine
Faculty / Department / Research Group: Faculty of Engineering & Science > Natural Resources Institute
Faculty of Engineering & Science > Natural Resources Institute > Agriculture, Health & Environment Department
Related URLs:
Last Modified: 20 Sep 2012 13:52
Selected for GREAT 2016: None
Selected for GREAT 2017: None
Selected for GREAT 2018: None
URI: http://gala.gre.ac.uk/id/eprint/2002

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