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Newsmakers: McMaster infectious disease specialist explains West Nile virus

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VIDEO: A person in Oakville has tested positive for West Nile virus, the first laboratory-confirmed human case in Halton region this year. It comes weeks after mosquitoes in Hamilton and Niagara tested positive for the virus. What is West Nile virus and what happens if you get it? Newsmakers Host Rick Zamperin learns more from McMaster University infectious disease specialist Dr. Mark Loeb.