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Publication Details
AFRICAN RESEARCH NEXUS
SHINING A SPOTLIGHT ON AFRICAN RESEARCH
immunology and microbiology
Interruption of onchocerca volvulus transmission in the abu hamed focus, sudan
American Journal of Tropical Medicine and Hygiene, Volume 89, No. 1, Year 2013
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Description
Abu Hamed, Sudan, the northernmost location of onchocerciasis in the world, began community-directed treatment with ivermectin (CDTI) in 1998, with annual treatments enhanced to semiannual in 2007. We assessed the status of the parasite transmission in 2011 entomologically, parasitologically, and serologically. O-150 pool screening showed no parasite DNA in 17,537 black flies collected in 2011 (95% confidence interval upper limit [95% CI UL] = 0.023). Skin microfilariae, nodules, and signs of skin disease were absent in 536 individuals in seven local communities. Similarly, no evidence of Onchocerca volvulus Ov16 antibodies was found in 6,756 school children l 10 years (95% CI UL = 0.03%). Because this assessment of the focus meets the 2001 World Health Organization (WHO) criteria for interrupted transmission, treatment was halted in 2012, and a post-treatment surveillance period was initiated in anticipation of declaration of disease elimination in this area. We provide the first evidence in East Africa that long-term CDTI alone can interrupt transmission of onchocerciasis.© 2013 by The American Society of Tropical.
Authors & Co-Authors
Higazi, Tarig B.
United States, Athens
Ohio University
Sudan, Khartoum
Federal Ministry of Health Sudan
United States, Atlanta
The Carter Center
United States, Tampa
University of South Florida Health
United States, East Lansing
Michigan State University
Zarroug, Isam M.A.
United States, Athens
Ohio University
Sudan, Khartoum
Federal Ministry of Health Sudan
United States, Atlanta
The Carter Center
United States, Tampa
University of South Florida Health
United States, East Lansing
Michigan State University
Mohamed, Hanan A.
United States, Athens
Ohio University
Sudan, Khartoum
Federal Ministry of Health Sudan
United States, Atlanta
The Carter Center
United States, Tampa
University of South Florida Health
United States, East Lansing
Michigan State University
ElMubark, Wigdan A.
United States, Athens
Ohio University
Sudan, Khartoum
Federal Ministry of Health Sudan
United States, Atlanta
The Carter Center
United States, Tampa
University of South Florida Health
United States, East Lansing
Michigan State University
Deran, Tong Chor M.
United States, Athens
Ohio University
Sudan, Khartoum
Federal Ministry of Health Sudan
United States, Atlanta
The Carter Center
United States, Tampa
University of South Florida Health
United States, East Lansing
Michigan State University
Aziz, Nabil A.
United States, Athens
Ohio University
Sudan, Khartoum
Federal Ministry of Health Sudan
United States, Atlanta
The Carter Center
United States, Tampa
University of South Florida Health
United States, East Lansing
Michigan State University
Katabarwa, Moses N.
United States, Athens
Ohio University
Sudan, Khartoum
Federal Ministry of Health Sudan
United States, Atlanta
The Carter Center
United States, Tampa
University of South Florida Health
United States, East Lansing
Michigan State University
Has’san, Hassan K.
United States, Athens
Ohio University
Sudan, Khartoum
Federal Ministry of Health Sudan
United States, Atlanta
The Carter Center
United States, Tampa
University of South Florida Health
United States, East Lansing
Michigan State University
Unnasch, Thomas Raymond
United States, Athens
Ohio University
Sudan, Khartoum
Federal Ministry of Health Sudan
United States, Atlanta
The Carter Center
United States, Tampa
University of South Florida Health
United States, East Lansing
Michigan State University
MacKenzie, Charles D.
United States, Athens
Ohio University
Sudan, Khartoum
Federal Ministry of Health Sudan
United States, Atlanta
The Carter Center
United States, Tampa
University of South Florida Health
United States, East Lansing
Michigan State University
Richards, Frank O.
United States, Athens
Ohio University
Sudan, Khartoum
Federal Ministry of Health Sudan
United States, Atlanta
The Carter Center
United States, Tampa
University of South Florida Health
United States, East Lansing
Michigan State University
Hashim, Kamal
United States, Athens
Ohio University
Sudan, Khartoum
Federal Ministry of Health Sudan
United States, Atlanta
The Carter Center
United States, Tampa
University of South Florida Health
United States, East Lansing
Michigan State University
Statistics
Citations: 69
Authors: 12
Affiliations: 5
Identifiers
Doi:
10.4269/ajtmh.13-0112
ISSN:
00029637
Research Areas
Genetics And Genomics
Infectious Diseases
Maternal And Child Health
Study Locations
Multi-countries
Sudan