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Title: Estimation of malaria transmission intensity in Sennar state, central Sudan
Authors: Elmahdi, Z.A.
Nugud, A.A.
Elhassan, I.M.
Keywords: Anopheles
Polymerase Chain Reaction
Plasmodium falciparum
Enzyme-Linked Immunosorbent Assay
Culicidae
Issue Date: 2012
Relation: EMHJ - Eastern Mediterranean Health Journal, 18 (9), 951 - 956, 2012
Language: English
Abstract: Understanding the behaviour of malaria vectors is crucial for planning mosquito control programmes. The aim of this study was to estimate the malaria transmission intensity in 2 different ecological zones in a highly endemic malaria area of Sennar state in central Sudan over the main transmission period. Species confirmation by PCR indicated that Anopheles arabiensis was the only malaria vector in the study area, with high anthropophilic behaviour [84.9% human-feeding]. ELISA studies showed Plasmodium falciparum sporozoite rates rose from 1.8% to 4.5% and the average entomological inoculation rates rose from 2.4 to 4.2 infectious bites per person per night in September [the beginning] to November [the end] of the 3-month transmission season. The proportion of malaria-positive slides ranged from 50.1% to 57.0%. The proportion of human-blood positive mosquitoes was significantly higher in the irrigated area [El Booster] compared with the non-irrigated area [Rahal]
Description: 951 - 956
Subject: Malaria
URI: http://www.who.int/iris/handle/10665/118517
ISSN: 1020-3397
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