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What is West Nile virus (WNV) and how does it spread?

April 26, 2017spread virus West Nile WNV

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What is West Nile virus (WNV) and how does it spread?

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• WNV attacks the central nervous system, including the brain • It is transmitted by mosquitoes that feed on infected birds and it can infect both horses and people1 • It is not contagious from horse to horse or horse to human1 • It continues to be diagnosed throughout the country2 • One in three WNV-infected horses may die3