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Netherlands Confirms Avian Flu in Lelystad Swan as Gelderland Reports New Outbreak

Laboratory confirmation in a Lelystad swan highlights the risk of broader spread during migration.

Overview

  • The Dutch Wildlife Health Centre confirmed at least one sick mute swan from Lelystad had avian influenza, marking the first verified wild-bird case since June.
  • DWHC reports eight positive test results in dead wild birds across seven provinces, including greylag, barnacle and Canada geese, a mute swan and an Egyptian goose.
  • Gelderland registered a new detection at a hobbyholder site in Hummelo with about 150 birds to be culled and transport restrictions imposed within a 10‑kilometer zone.
  • Earlier this week authorities identified avian influenza at a large holding in Dodewaard, where roughly 161,000 birds were culled.
  • A nationwide housing order for commercial flocks and shielding for risk birds has been in force since 16 October, alongside a government vaccine trial scheduled to run into early 2027.