Document Detail

West Nile virus ecology in a tropical ecosystem in Guatemala.
MedLine Citation:
PMID:  23149586     Owner:  NLM     Status:  MEDLINE    
West Nile virus ecology has yet to be rigorously investigated in the Caribbean Basin. We identified a transmission focus in Puerto Barrios, Guatemala, and established systematic monitoring of avian abundance and infection, seroconversions in domestic poultry, and viral infections in mosquitoes. West Nile virus transmission was detected annually between May and October from 2005 to 2008. High temperature and low rainfall enhanced the probability of chicken seroconversions, which occurred in both urban and rural sites. West Nile virus was isolated from Culex quinquefasciatus and to a lesser extent, from Culex mollis/Culex inflictus, but not from the most abundant Culex mosquito, Culex nigripalpus. A calculation that combined avian abundance, seroprevalence, and vertebrate reservoir competence suggested that great-tailed grackle (Quiscalus mexicanus) is the major amplifying host in this ecosystem. West Nile virus transmission reached moderate levels in sentinel chickens during 2007, but less than that observed during outbreaks of human disease attributed to West Nile virus in the United States.
Maria E Morales-Betoulle; Nicholas Komar; Nicholas A Panella; Danilo Alvarez; María R López; Jean-Luc Betoulle; Silvia M Sosa; María L Müller; A Marm Kilpatrick; Robert S Lanciotti; Barbara W Johnson; Ann M Powers; Celia Cordón-Rosales;
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Publication Detail:
Type:  Journal Article; Research Support, N.I.H., Extramural; Research Support, Non-U.S. Gov't; Research Support, U.S. Gov't, Non-P.H.S.; Research Support, U.S. Gov't, P.H.S.     Date:  2012-11-13
Journal Detail:
Title:  The American journal of tropical medicine and hygiene     Volume:  88     ISSN:  1476-1645     ISO Abbreviation:  Am. J. Trop. Med. Hyg.     Publication Date:  2013 Jan 
Date Detail:
Created Date:  2013-01-10     Completed Date:  2013-02-26     Revised Date:  2014-01-09    
Medline Journal Info:
Nlm Unique ID:  0370507     Medline TA:  Am J Trop Med Hyg     Country:  United States    
Other Details:
Languages:  eng     Pagination:  116-26     Citation Subset:  AIM; IM    
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MeSH Terms
Birds / virology
Culex / virology
Insect Vectors
Tropical Climate*
West Nile virus / isolation & purification,  physiology*
Grant Support
1R01AI090159-01/AI/NIAID NIH HHS; 1U01/GH000028/GH/CGH CDC HHS; 3U51/GH000011-02/GH/CGH CDC HHS; R01 AI090159/AI/NIAID NIH HHS; U50/CCU021236-01//PHS HHS
Cristina Chaluleu / ; Carmen L Contreras / ; Rebekah C Kading / ; Eric Edwards / ; Marvin S Godsey / ; Ana S González / ; Kathryn P Huyvaert / ; Kimberly M Keene / ; Jeremy P Ledermann / ; Luis Martínez / ; Bernarda Molina / ; María de Lourdes Monzón / ; Janae L Stovall / ; Mónica Santiago / ; Harry M Savage / ; Ginger Young /

From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine

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