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Gripe aviar: múltiples introducciones del H5N1 en Nigeria
M F Ducatez1, C M Olinger, A A Owoade
1Institute of Immunology, National Public Health Laboratory, 1950 Luxembourg.
Nature
|July 11, 2006
Resumen
El virus de la gripe aviar altamente patógena (H5N1) surgió en Nigeria, África.
Área de la Ciencia:
- Ciencias Veterinarias Ciencias Veterinarias
- Virología Virología.
- Epidemiología La epidemiología.
Sus antecedentes:
- El virus de la gripe aviar H5N1, un virus altamente patógeno, se extendió globalmente desde Asia.
- Nigeria fue la primera nación africana en detectar el H5N1 en aves de corral.
Objetivo del estudio:
- Para analizar las secuencias del virus H5N1 en aves de corral nigerianas.
- Para determinar las rutas de introducción del H5N1 en Nigeria.
Principales métodos:
- Análisis filogenético de las secuencias del virus H5N1.
- Comparación de linajes virales con rutas conocidas de aves migratorias y rutas comerciales.
Principales resultados:
- Se identificaron tres linajes distintos de H5N1 en aves de corral del estado de Lagos.
- Las rutas de introducción se alinean con las trayectorias de vuelo de las aves migratorias.
- Las importaciones comerciales independientes siguen siendo una posibilidad.
Conclusiones:
- El H5N1 fue introducido en Nigeria varias veces.
- Las aves migratorias son un vector probable para la introducción del H5N1.
- Se justifica una mayor investigación sobre las rutas comerciales.
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