Definition of West Nile virus in English:

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West Nile virus

noun

A flavivirus originally isolated in eastern Africa, transmitted by mosquitoes, usually between birds, but sometimes causing epidemics of disease (typically fever or encephalitis) in humans and horses: these pools can become a breeding ground for mosquitoes carrying West Nile Virus
More example sentences
  • Humans typically acquire West Nile virus through a bite from an infected adult mosquito.
  • Birds are the main carriers of the West Nile virus, which is spread by mosquitoes.
  • Mosquitoes acquire West Nile virus from birds and pass it on to other birds, animals and people.

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