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Supply chain affected due to egg production drop. "Supermarkets reported egg shortages as farms dealt with the outbreak." -
Cross-species transmission identified in marine mammals. "This is the first time we've seen the virus in marine mammals along the West Coast." -
Continuous surveillance underway by wildlife agencies. "We’ll keep tracking the virus through winter." -
USDA begins vaccine trials to protect flocks. "A vaccine could be key to stopping future outbreaks." -
H5N1 is confirmed in wild birds in Northern California. "Officials confirmed the presence of H5N1 in migratory birds in the Sacramento Valley." -
First poultry farm reports infection, causing culling of birds. "Hundreds of chickens were euthanized to prevent the spread." -
CDC warns public to avoid handling dead birds. "Though risk to humans is low, caution is advised." -
State of emergency declared to secure aid. "The declaration helps us access federal resources for control efforts." -
No confirmed human cases reported in California. "So far, no human infections have been detected in the state." -
Risk increases as migration season starts again. "Fall migration poses new threats for reintroducing the virus."