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Publication Details
AFRICAN RESEARCH NEXUS
SHINING A SPOTLIGHT ON AFRICAN RESEARCH
immunology and microbiology
A critical appraisal of molecular xenomonitoring as a tool for assessing progress toward elimination of lymphatic filariasis
American Journal of Tropical Medicine and Hygiene, Volume 77, No. 4, Year 2007
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Description
We used molecular xenomonitoring (MX, detection of filarial DNA in mosquitoes) to evaluate the impact of mass drug administration (MDA) in sentinel locations in Egypt with high (11.5%) and low (4.1%) baseline microfilaria prevalence rates. Blood-fed Culex pipiens were pooled by household and tested for Wuchereria bancrofti DNA by PCR. There was no significant relationship between the infection status of household residents and parasite DNA status of mosquitoes from the same houses. After 5 MDA rounds, parasite DNA rates in mosquitoes in high- and low-prevalence areas were reduced by 93.8% and 100% to 0.19% (95% CI: 0.076-0.382%) and 0% (95% CI: 0-0.045%), respectively. These changes were consistent with decreases in microfilaria prevalence rates in these sites; they provide insight regarding the minimal mosquito DNA rates necessary for sustained transmission of filariasis in Egypt. We conclude that MX is a powerful tool for monitoring the impact of MDA on filariasis endemicity and transmission. Copyright © 2007 by The American Society of Tropical Medicine and Hygiene.
Authors & Co-Authors
Farid, H. A.
Egypt, Cairo
Ain Shams University
Morsy, Zakariya S.
Egypt, Cairo
Ain Shams University
Helmy, Hanan H.
Egypt, Cairo
Ain Shams University
Ramzy, Reda M.R.
Egypt, Cairo
Ain Shams University
El-Setouhy, M.
Egypt, Cairo
Ain Shams University
Weil, Gary J.
Egypt, Cairo
Ain Shams University
United States, St. Louis
Washington University School of Medicine in St. Louis
Statistics
Citations: 78
Authors: 6
Affiliations: 2
Identifiers
Doi:
10.4269/ajtmh.2007.77.593
ISSN:
00029637
Research Areas
Genetics And Genomics
Health System And Policy
Study Design
Cross Sectional Study
Study Approach
Systematic review
Study Locations
Egypt