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Publication Details
AFRICAN RESEARCH NEXUS
SHINING A SPOTLIGHT ON AFRICAN RESEARCH
immunology and microbiology
Seasonality, blood feeding behavior, and transmission of Plasmodium falciparum by Anopheles arabiensis after an extended drought in southern Zambia
American Journal of Tropical Medicine and Hygiene, Volume 76, No. 2, Year 2007
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Description
Transmission of Plasmodium falciparum is hyperendemic in southern Zambia. However, no data on the entomologic aspects of malaria transmission have been published from Zambia in more than 25 years. We evaluated seasonal malaria transmission by Anopheles arabiensis and An. funestus s.s. and characterized the blood feeding behavior of An. arabiensis in two village areas. Transmission during the 2004-2005 rainy season was nearly zero because of widespread drought. During 2005-2006, the estimated entomologic inoculation rate values were 1.6 and 18.3 infective bites per person per transmission season in each of the two village areas, respectively. Finally, with a human blood index of 0.923, An. arabiensis was substantially more anthropophilic in our study area than comparable samples of indoor-resting An. arabiensis throughout Africa and was the primary vector responsible for transmission of P. falciparum. Copyright © 2007 by The American Society of Tropical Medicine and Hygiene.
Authors & Co-Authors
Kent, R. J.
United States, Baltimore
Johns Hopkins Bloomberg School of Public Health
Thuma, Philip E.
Zambia
Malaria Institute
Mharakurwa, Sungano
Zambia
Malaria Institute
Norris, Douglas Eric
United States, Baltimore
Johns Hopkins Bloomberg School of Public Health
Statistics
Citations: 146
Authors: 4
Affiliations: 2
Identifiers
Doi:
10.4269/ajtmh.2007.76.267
ISSN:
00029637
Research Areas
Health System And Policy
Infectious Diseases
Study Locations
Zambia