County health officials say the school-age child became ill last week; vaccine status and underlying conditions have not been confirmed.
EVERETT, WA — A teenager from the Marysville area has died from influenza, county health officials said this week, marking Washington’s first pediatric flu death of the 2025–26 season. The child became sick last week and later died at a hospital, according to authorities.
The death places renewed attention on flu activity across the region as hospitals continue to treat respiratory illnesses. The :contentReference[oaicite:0]{index=0} confirmed the case and notified the :contentReference[oaicite:1]{index=1}, which counts it as the state’s first child flu fatality this season. Officials said they are not releasing the teen’s name, age, or school to protect the family’s privacy. They also said the teen’s vaccination status for this season and any underlying conditions remain unknown.
Health Officer :contentReference[oaicite:2]{index=2} offered condolences to the family and called the loss “a sad reminder” of influenza’s risks. In interviews, Lewis said the youth first tried treating symptoms at home, then rapidly worsened and was taken for medical care before dying. He said investigators are reviewing available records to determine whether the child received a flu shot this season and whether any prior conditions may have played a role. “It’s always another level of tragedy when a child dies from flu,” Lewis said.
County data show 10 people in Snohomish County have died of flu-related complications so far this season, with 222 hospitalizations. Statewide, officials reported 59 influenza-related deaths among all ages as of Jan. 17. Last season, Snohomish County recorded 53 flu-related deaths and 859 hospitalizations, the most in more than a decade. The health department said local flu activity remains elevated, though weekly counts can vary as testing and reporting lag by several days. The county did not identify the hospital where the teen was treated, and officials said they are withholding the exact date of death at the family’s request.
The teen lived in :contentReference[oaicite:3]{index=3}, a community north of :contentReference[oaicite:4]{index=4} in :contentReference[oaicite:5]{index=5}. County health leaders said it is the first pediatric flu death reported locally in several years and the first confirmed child death statewide this season. While the agency emphasized that most flu illnesses are mild, it noted that influenza can cause severe complications in children, older adults, and people with certain health conditions. Officials said they are coordinating with medical providers and the regional laboratory network to watch for any unusual clusters or strain patterns, but no such clusters have been reported in connection with this case.
Records from recent seasons show respiratory viruses tend to surge from October through April, with peaks in midwinter. Local officials said they are tracking emergency department visits and admissions for influenza-like illness alongside COVID-19 and RSV. Hospital systems in Snohomish County reported steady admissions for flu through January, according to the health department’s weekly summaries, though capacity has not been declared limited. Health workers said timing matters; children can deteriorate quickly after initial symptoms, and clinicians encourage families to seek medical care based on a child’s condition and provider guidance. The department said it would publish any changes to surveillance trends in its regular situation updates.
Investigators with the health department’s communicable disease program are conducting a routine review that follows any pediatric flu death. That work includes verifying lab results, checking immunization registry entries, and compiling a medical timeline from clinical records. Officials said they do not expect criminal or civil proceedings tied to the case. If any reportable issues arise—such as an outbreak linked to a particular setting—the department would issue a public notice. For now, the case will be included in weekly dashboards and in the state’s seasonal totals. Any additional public statements will be posted in county updates and, if needed, discussed at a scheduled media briefing.
Outside the health department, reactions in Marysville were subdued but somber. Neighbors near the family’s street left small bouquets on porches and at a neighborhood park. “You feel it even if you didn’t know them,” said Caroline Ortiz, who lives a few blocks away. “My kids are about the same age, and it’s heartbreaking.” At a coffee shop off State Avenue, barista Marcus H., 22, said customers asked whether the schools had sent notices. “People are just quiet today. Everyone’s thinking about that family,” he said. School and hospital representatives either declined to comment or said they had no information to share about the student’s identity.
As of Friday, county officials said flu monitoring continues and that no additional pediatric deaths had been confirmed. The next statewide surveillance update is expected in the coming week. Authorities said they will release more details only if privacy concerns allow or if new public health guidance is warranted.
Author note: Last updated January 31, 2026.