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WEST NILE VIRUS IN VULTURES FROM EUROPE – A SIGHT AMONG OTHER RAPTORS

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The West Nile virus (WNV) is an arbovirus mainly transmitted by Culex spp. and the causative agent of a zoonotic disease that is present worldwide. This pathogen is endemically maintained in a life cycle with birds acting as reservoirs, and humans and horses as accidental and dead-end hosts. Sporadic WNV outbreaks have been reported in Europe, and the potential impact of WNV infection on populations of threatened or endangered birds of prey is considerable. Surveillance programs are needed for early detection of this virus. All four species of vultures present in Europe are considered protected species. As scavengers, vultures are at the top of the food chain, and can be susceptible to, and negatively affected by, pathogens like WNV. In a conservation perspective, the impact of WNV in European vultures, alone or concomitantly with other factors, should be addressed. This review of documented cases can be considered a starting point. Virus Zahodnega Nila pri jastrebih iz Evrope – opaznih med drugimi ujedami Izvleček: Virus Zahodnega Nila (WNV) je arbovirus, ki ga prenašajo predvsem Culex spp., in je povzročitelj zoonoze, prisotne po vsem svetu. Ta patogen se endemično ohranja v življenjskem ciklu, v katerem so ptice rezervoarji, ljudje in konji pa so naključni in končni gostitelji. V Evropi so poročali o sporadičnih izbruhih WNV, potencialni vpliv okužbe z WNV na populacijo ogroženih ptic ujed pa je lahko zelo velik. Za zgodnje odkrivanje tega virusa so potrebni programi nadzora. Vse štiri vrste jastrebov, ki živijo v Evropi, so zavarovane vrste. Kot mrhovinarji so jastrebi zaradi zasedanja vrha prehranjevalne verige lahko dovzetni za patogene, kot je WNV. Z varstvenega vidika je treba obravnavati neodvisen ali z drugimi dejavniki povezan vpliv WNV na evropske jastrebe. Ta pregled dokumentiranih primerov se lahko šteje kot izhodišče za ta namen. Ključne besede: epidemiologija; Evropa; mrhovinarji; jastrebi; virus Zahodnega Nila; zoonoza  
Title: WEST NILE VIRUS IN VULTURES FROM EUROPE – A SIGHT AMONG OTHER RAPTORS
Description:
The West Nile virus (WNV) is an arbovirus mainly transmitted by Culex spp.
and the causative agent of a zoonotic disease that is present worldwide.
This pathogen is endemically maintained in a life cycle with birds acting as reservoirs, and humans and horses as accidental and dead-end hosts.
Sporadic WNV outbreaks have been reported in Europe, and the potential impact of WNV infection on populations of threatened or endangered birds of prey is considerable.
Surveillance programs are needed for early detection of this virus.
All four species of vultures present in Europe are considered protected species.
As scavengers, vultures are at the top of the food chain, and can be susceptible to, and negatively affected by, pathogens like WNV.
In a conservation perspective, the impact of WNV in European vultures, alone or concomitantly with other factors, should be addressed.
This review of documented cases can be considered a starting point.
Virus Zahodnega Nila pri jastrebih iz Evrope – opaznih med drugimi ujedami Izvleček: Virus Zahodnega Nila (WNV) je arbovirus, ki ga prenašajo predvsem Culex spp.
, in je povzročitelj zoonoze, prisotne po vsem svetu.
Ta patogen se endemično ohranja v življenjskem ciklu, v katerem so ptice rezervoarji, ljudje in konji pa so naključni in končni gostitelji.
V Evropi so poročali o sporadičnih izbruhih WNV, potencialni vpliv okužbe z WNV na populacijo ogroženih ptic ujed pa je lahko zelo velik.
Za zgodnje odkrivanje tega virusa so potrebni programi nadzora.
Vse štiri vrste jastrebov, ki živijo v Evropi, so zavarovane vrste.
Kot mrhovinarji so jastrebi zaradi zasedanja vrha prehranjevalne verige lahko dovzetni za patogene, kot je WNV.
Z varstvenega vidika je treba obravnavati neodvisen ali z drugimi dejavniki povezan vpliv WNV na evropske jastrebe.
Ta pregled dokumentiranih primerov se lahko šteje kot izhodišče za ta namen.
Ključne besede: epidemiologija; Evropa; mrhovinarji; jastrebi; virus Zahodnega Nila; zoonoza  .

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