Abstract
TO THE EDITOR: West Nile virus (WNV) is a member of the genus Flavivirus within the Japanese encephalitis antigenic complex. The enzootic virus cycle involves transmission between avian hosts and ornithophilic mosquitoes, whereas humans and horses are considered dead-end hosts. Given the recent increase of WNV infection in humans and horses in Europe, concern has been raised regarding public and animal health.
MeSH terms
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Aged
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Animals
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Communicable Diseases, Emerging / epidemiology
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Communicable Diseases, Emerging / veterinary
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Communicable Diseases, Emerging / virology
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Disease Outbreaks / veterinary*
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Horse Diseases / epidemiology*
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Horse Diseases / virology
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Horses
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Humans
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Male
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Middle Aged
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Spain / epidemiology
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West Nile Fever / epidemiology
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West Nile Fever / veterinary*
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West Nile Fever / virology
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West Nile virus / classification
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West Nile virus / genetics
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West Nile virus / isolation & purification
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Zoonoses / epidemiology
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Zoonoses / virology