West Nile Virus Prevalence in Wild Birds from Mexico

• DOI: 10.7589/2018-03-065
• Publication Date: 2018-10-19T15:30:11Z
• Authors: Arturo Barbachano...; Antonio Acini Vás...; A. Alonso Aguirre; Alan A Zavala- No...; Eduardo Carrera G...; Alberto Lafón Ter...; Leopoldo Aguilar-...
• Keywords: West Nile virus

West Nile virus (WNV) emerged in the Americas with its introduction 1999 and now is considered endemic across continent. In 2002, WNV was detected Mexico, where occurrence mortality are considerably lower compared US. However, continuous national surveillance programs Mexico nonexistent. Birds primary hosts geographic dispersers of this pathogen. A total 200 cloacal tracheal samples from wild migratory or resident birds were retrospectively analyzed using reverse transcription PCR to detect collected 2008 2009. The overall prevalence 8% (16/200), positive Oaxaca, Chiapas, Tamaulipas Ruby-throated Hummingbird (Archilochus colubris), Double-crested Cormorant (Phalacrocorax auritus), Ring-billed Gull (Larus delawarensis), Mourning Dove (Zenaida macroura). Analysis partial sequence envelope gene one Oaxaca provided evidence that belonged WN99 genotype. Taken together, these results demonstrated circulated northern southern during 2008–09 season, providing further information about presence Mexico.