Publication: The effectiveness of impregnated bed net in malaria control in Laos
Issued Date
2004-01-01
Resource Type
ISSN
0001706X
Other identifier(s)
2-s2.0-1642565102
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Mahidol University
Rights Holder(s)
SCOPUS
Bibliographic Citation
Acta Tropica. Vol.89, No.3 (2004), 299-308
Suggested Citation
Jun Kobayashi, Samlane Phompida, Takako Toma, Sornchai Looareensuwan, Hiromu Toma, Ichiro Miyagi The effectiveness of impregnated bed net in malaria control in Laos. Acta Tropica. Vol.89, No.3 (2004), 299-308. doi:10.1016/j.actatropica.2003.10.009 Retrieved from: https://repository.li.mahidol.ac.th/handle/20.500.14594/21425
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Title
The effectiveness of impregnated bed net in malaria control in Laos
Abstract
Impregnated bed net (IBN) were used in 366 villages in the central and southern three provinces of Lao PDR from 1999 to 2000. It was confirmed that 81.0% of 40000 bed nets, which were donated by Japanese Grant Aid, were delivered within 2years. The strengthening of information network systems in anti-malaria and strong relationship between community and local authorities ensured the success of operation in a short period. The number of patients and the slide positive rate of malaria decreased markedly in public health facilities in three provinces after the use of IBN. An entomological survey was conducted in Boualapha district, where malaria is endemic, to investigate the IBN efficacy on malaria vector. The density and parous rate of Anopeles dirus, which is the main malaria vector in the area, were markedly decreased in the village where IBN was used. This mosquito's behavior, which was baiting mainly humans during the time when the inhabitants sleep in the IBN, was considered to be advantageous in preventing malaria infection using by IBN. The area of distribution of A. dirus is similar to the high endemic area of malaria in Lao PDR. Thus, it is expected that the expansion of the IBN program in the southern provinces will lead to successful malaria control in subsequent years. © 2003 Elsevier B.V. All rights reserved.