The document discusses ECDC's strategy for external quality assessments (EQAs) from 2020-2024. It identifies four priority areas: 1) consolidate EQA scheme quality and efficiency, 2) enhance availability and impact of EQA data, 3) focus EQA scope to strengthen laboratory capacity, and 4) monitor usefulness to participants. Specific strategic objectives and indicators are outlined under each priority area, such as promoting laboratory participation, linking EQA data to surveillance reports, prioritizing EQAs based on public health needs, and monitoring corrective measures taken. The ultimate vision is for EQAs to help document and improve laboratory surveillance data quality and comparability across Europe.