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Story summary
- Researchers confirmed the first cases of H5N1 bird flu in northern elephant seals at California's Año Nuevo State Park.
- The outbreak follows widespread die-offs of southern elephant seals in South America, where tens of thousands of animals have died.
- Since the outbreak began, 30 seals have died.
- The virus has been detected in seven weaned pups.
- Officials closed the viewing area to monitor the situation.
