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Story summary
- The 75-year-old woman from Grays Harbor County, Washington, died from H5N5 avian influenza, the first human case of this strain.
- She had underlying health issues and was hospitalized in Kings County earlier this month.
- Health officials are monitoring close contacts and report no evidence of human-to-human transmission.
- Concerns persist about the virus mutating and causing a pandemic, as animal infections show mutations that enhance transmissibility.
