On June 5, a 12-year-old Quarter Horse gelding in San Luis Obispo County, California, tested positive for West Nile virus (WNV). The horse has an unknown vaccination history and began displaying neurologic signs on May 30. He is now recovering. This is California’s first confirmed equine WNV case of 2026. EDCC Health Watch is an Equine Network marketing program that utilizes information from the Equine Disease Communication Center (EDCC) to cre…
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