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Abstract：
BACKGROUND: West Nile virus (WNV) is a zoonotic mosquito-borne virus with a broad host range that infects mainly birds and mosquitos, but also mammals (including humans), reptiles, amphibians and ticks. It is maintained in a bird-mosquito-bird transmission cycle. The most important vectors are bird-feeding mosquitos of the Culex genus; maintenance and amplification mainly involve passerine birds. WNV can cause disease in humans, horses and several species of birds following infection of the central nervous system.
UNASSIGNED: Cats can also be infected through mosquito bites, and by eating infected small mammals and probably also birds. Although seroprevalence in cats can be high in endemic areas, clinical disease and mortality are rarely reported. If a cat is suspected of clinical signs due to an acute WNV infection, symptomatic treatment is indicated.
UNASSIGNED: Cats can also be infected through mosquito bites, and by eating infected small mammals and probably also birds. Although seroprevalence in cats can be high in endemic areas, clinical disease and mortality are rarely reported. If a cat is suspected of clinical signs due to an acute WNV infection, symptomatic treatment is indicated.
摘要：
背景：西尼罗河病毒（WNV）是一种人畜共患的蚊媒病毒，宿主范围广泛，主要感染鸟类和蚊子，但也包括哺乳动物（包括人类），爬行动物,两栖动物和蜱。它保持在鸟-蚊-鸟传播周期中。最重要的媒介是库蚊属的喂鸟蚊子；维持和扩增主要涉及雀形目鸟类。WNV会导致人类疾病，中枢神经系统感染后的马和几种鸟类。
■猫也可以通过蚊虫叮咬感染，吃受感染的小型哺乳动物，可能还有鸟类。尽管在流行地区猫的血清阳性率可能很高，很少报道临床疾病和死亡率。如果一只猫因急性WNV感染而被怀疑有临床症状，需要对症治疗。
■猫也可以通过蚊虫叮咬感染，吃受感染的小型哺乳动物，可能还有鸟类。尽管在流行地区猫的血清阳性率可能很高，很少报道临床疾病和死亡率。如果一只猫因急性WNV感染而被怀疑有临床症状，需要对症治疗。
