ENCEFALITIS POR VIRUS DEL OESTE DEL NILO PDF

West Nile Virus: A reemerging global pathogen. Emerg Infect Dis. West Nile Virus. Lancet Infect Dis. Avian host and mosquito Diptera: Culicidae vector competence determine the efficiency of West Nile and St.

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West Nile virus; ecology and epidemiology of an emerging pathogen in Colombia. Facultad de Medicina Veterinaria y Zootecnia. E-mail: luiscabe gmail. E-mail: joserafaelpe gmail.

E-mail: marcog escarsa. E-mail: mattarsalim hotmail. Los principales vectores son los mosquitos del genero Culex. En humanos las infecciones por VON se presentan como enfermedad febril autolimitada. West Nile virus WNV has an enzootic mosquito-bird-mosquito cycle in nature, Culex sp mosquitoes being the main vectors.

Birds are the main amplifying hosts. Humans and horses are incidental dead-end hosts. It produces a flu-like or a self-limited febrile disease in most humans. It can cause encephalitis, meningitis or meningoencephalitis in cases of neurological disease, having greater incidence and mortality from encephalitis in older people and immune-compromised patients. Outbreaks have been reported in Africa, the Middle-east, Europe and Asia. The public health concern regarding WNV if it becomes introduced into Middle- and South-America will depend upon the interaction of several factors.

The prevailing conditions in Colombia are apt for its spread and development. There are two main hypotheses; the virus could become enzootic and endemic and cause limited human disease, or it could become epidemic and cause annual outbreaks affecting large numbers of humans and animals.

It will depend upon Colombian birds' susceptibility to the virus because of biological differences and intra-specific geographical variations in mosquitoe species' vector competence and the environmental effects on its ability to transmit the virus; such factors are determinant in the primary amplifying cycle.

Hace parte del serocomplejo de la encefalitis japonesa junto con los virus Cacipacora, Koutango, encefalitis japonesa, encefalitis de San Luis, encefalitis Murray Valley, Usuto y Yaounde 1. Las personas recientemente vacunadas o infectadas con otros flavivirus pueden tener anticuerpos IgM que producen reacciones cruzadas con VON.

Las epidemias en Nueva York en y en Israel entre presentaron un gran numero de cuervos y gansos muertos respectivamente 8,38 , en contraste las epidemias por VON en el viejo mundo tuvieron pocos reportes de muertes en aves infectadas cuando se presentaron los casos humanos 1.

Los aislados virales del brote en Nueva York mostraron un Aves de Colombia y VON. En Colombia existen aproximadamente 1 especies de aves pertenecientes a cerca de 80 familias Actualmente 43 especies de mosquitos han sido encontradas positivas para el virus 9. En Europa y Norte America, los vectores principales son Cx. Las primeras epidemias por VON ocurrieron en Israel en , y 1. Brotes recientes. De agosto a octubre de ocurrieron casos confirmados con 33 fatalidades, el virus fue aislado de muestras de suero de 4 pacientes.

Este brote fue muy notable debido a la alta mortalidad en las aves infectadas principalmente cuervos y azulejos. En el Salvador se produjo un brote de encefalitis equina Berrocal y J.

Zeller H, Schuffenecker I. Hayes CG. West Nile fever. In; The Arboviruses: Epidemiology and Ecology. Monath, ed. Boca Raton, FL. V ; Am J Trop Med Hyg. West Nile encephalitis in southeastern Romania. The Lancet. Outbreak of West Nile virus infection, Volgograd region, Russia, Emerg Infect Dis. The West Nile virus: its recent emergence in North America. Microbes Infect. West Nile virus: where are we now? Lancet infect. West Nile virus activity-United States, West Nile virus transmission in resident birds, Dominican Republic.

West Nile virus, Guadeloupe. West Nile virus in Mexico: evidence of widespread circulation since July Emerg Infect Dis ; 9: West Nile Virus antibodies in Colombian Horses. Briton M. Ann Rev Microbiol. Khun H. Huerre M, et al. Variations in biological features of West Nile viruses. Ann N Y Acad Sci. Envelope protein glycosylation status influences mouse neuroinvasion phenotype of genetic lineage 1 West Nile virus strains.

J Virol. West Nile virus infection transmitted by blood transfusion. Transmission of West Nile virus from an organ donor to four transplant recipients.

Centers for Disease Control and Prevention. Update: West Nile virus screening of blood donations and transfusion associated transmission. United States, Gould LH, Fikrig E. West Nile virus: a growing concern? Laboratory-acquired West Nile virus infections - United States, Glaser A. West Nile virus and North America: an unfolding story. Rev Sci Tech. Emerg infect Dis. N Engl J Med ; Platonov AE. West Nile encephalitis in Russia were we ready? Are we ready?

Ann N Y Acad Sci ; Clinical characteristics of the West Nile fever outbreak, Israel, Emerg Infect Dis ; 7: Clinical manifestations in the West Nile virus outbreak. Rom J Virol ; Sampson BA, Armbrustmacher V. West Nile encephalitis: the neuropathology of four fatalities. West Nile virus. Lancet Infect. Diagnostic procedures for viral, rickettsial, and chlamydial infections, 7th ed. West Nile virus: a primer for the clinician.

Colombia med. Komar N. West Nile virus: epidemiology and ecology in North America. Adv Virus Res. Origin of the West Nile virus responsible for an outbreak of encephalitis in the northeastern United States.

Science ; The role of birds in the ecology of West Nile virus in Europe and Africa. Vector Borne Zoonotic Dis. Neotropical Birds. Ecology and Conservation.

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West Nile virus; ecology and epidemiology of an emerging pathogen in Colombia. Facultad de Medicina Veterinaria y Zootecnia. E-mail: luiscabe gmail. E-mail: joserafaelpe gmail. E-mail: marcog escarsa. E-mail: mattarsalim hotmail.

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Skip to search form Skip to main content You are currently offline. Some features of the site may not work correctly. The case of a patient with a clinically suspected West Nile Virus Encephalitis is described. The patient is a 70 year male with a 7 day fever who developed confusion, speaking difficulties and generalized muscular weakness. Save to Library. Create Alert. Launch Research Feed.

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Probable encefalitis por virus del oeste del Nilo

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