ECDC Public Health & Disease Brief

Headline

ECDC and EFSA publish joint HPAI A(H5) overview covering 949 detections across 30 European countries from March to May 2026

Executive Summary

The European Centre for Disease Prevention and Control and the European Food Safety Authority published a joint rapid outbreak assessment on June 26, 2026, covering highly pathogenic avian influenza A(H5) activity across Europe from February 28 to June 4, 2026. The report documents 949 virus detections across 30 countries — 186 in domestic birds and 763 in wild birds — and assesses current human-exposure risk.

Bottom Line

The 949 detections across 30 countries confirm that HPAI A(H5) remains in active multi-country circulation within Europe, with wild birds constituting the primary reservoir. Domestic-bird detections in 30 countries place poultry operators and national competent authorities within the active notification and response perimeter of EU animal health law. The joint ECDC-EFSA risk characterization in this assessment is the authoritative EU-level document against which occupational health, biosecurity, and movement-restriction decisions are benchmarked for the covered period.

Key Regulatory Signals

• Scale of Domestic Poultry Exposure: 186 detections in domestic birds across 30 European countries indicate active circulation in commercial and backyard flocks. Poultry operators, veterinary authorities, and competent authorities responsible for flock surveillance face an elevated baseline for outbreak notification and culling-decision triggers under existing EU animal health law.
• Wild Bird Reservoir Sustains Transmission Pressure: 763 detections in wild birds represent the dominant exposure pathway. Operators of open-air poultry facilities and national veterinary services in affected flyway zones carry heightened biosecurity obligations where national transposition of EU animal health rules requires enhanced surveillance during active wild-bird migration periods.
• Human-Risk Assessment Framing: The joint ECDC-EFSA rapid outbreak assessment format is the EU's primary mechanism for communicating zoonotic spillover risk to public health authorities. Occupational health and infection-prevention officers at facilities with live-bird contact should note the current risk characterization published in this assessment for workforce-protection documentation purposes.
• Cross-Border Regulatory Coordination Signal: Coverage spanning 30 countries within the EU and wider European region reflects active engagement of national competent authorities under the EU Animal Health Regulation framework. Operators trading live poultry or hatching eggs across EU member state borders face potential movement-restriction exposure as individual member states respond to domestic detections.
• Surveillance Reporting Obligations Remain Active: The reporting period runs through June 4, 2026, with the overview published June 26, 2026. The gap between detection period close and publication confirms ongoing surveillance cycles; competent authorities and industry operators should treat this as a mid-cycle signal, not a terminal assessment.

Regulatory Delta

- ECDC-EFSA joint rapid outbreak assessments for HPAI have been issued on a rolling basis since the 2021-2022 season, which marked the largest European HPAI epizootic on record. The current overview continues that established reporting cadence.

- The March-May 2026 period reflects continued endemic-level wild-bird circulation rather than a discrete novel incursion, sustaining the multi-season pattern documented since 2021.

- The European Commission's ongoing review of delegated acts under the EU Animal Health Regulation on avian influenza surveillance runs in parallel with this reporting cycle. Detection data from this overview feeds directly into the evidentiary base for any forthcoming regulatory adjustment.

Materiality Classification

MEDIUM — A joint ECDC-EFSA surveillance overview covering 949 HPAI detections across 30 European countries; the assessment directly informs national competent authority response obligations and operator biosecurity posture under EU animal health law, without itself constituting a new binding measure.

Intelligence Outlook

Monitor ECDC and EFSA for the next joint rapid outbreak assessment covering the June-August 2026 period, and monitor the European Commission for any delegated act amendments to avian influenza surveillance requirements informed by this overview.