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West Nile Virus Hits S. California's Horses

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West Nile Virus Hits S. California's Horses

Science

West Nile Virus Hits S. California's Horses

West Nile Virus Hits S. California's Horses

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  • <iframe src="https://www.npr.org/player/embed/3871944/3871945" width="100%" height="290" frameborder="0" scrolling="no" title="NPR embedded audio player">

West Nile virus has killed nearly 600 people nationwide since 1999 and more than 20,000 horses. It's estimated that only 45 percent of horses have been vaccinated. Southern California's ranches are the latest hot spot for the disease. John Rabe of member station KPCC reports.