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West Nile virus

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Introduction
West Nile virus (WNV) is a virus that is spread by mosquitoes.
Symptoms of West Nile virus
In around 4 out of 5 people, West Nile virus (WNV) does not causes any symptoms.
Causes of West Nile virus
West Nile virus (WNV) is caught from the bite of a mosquito that is carrying the infection. The mosquitoes become infected when they bite infected birds.
Diagnosing West Nile virus
If you have symptoms of West Nile virus (WNV) while you are travelling, contact a doctor, local hospital or health worker as soon as possible.
Treating West Nile virus
There is no specific treatment for West Nile virus (WNV). If you have mild WNV, your symptoms will usually get better without treatment after several days or weeks.
Preventing West Nile virus
If you are travelling to areas where West Nile virus (WNV) is present, you should be aware of the risks and take appropriate precautions.