ECDC publishes seventh external quality assessment scheme for Listeria monocytogenes typing

22 June 2021

Article: 55/2507

The European Centre for Disease Prevention and Control (ECDC) has published a report presenting the results of the seventh round of the external quality assessment (EQA-7) scheme for Listeria monocytogenes (L. monocytogenes) typing, organised for national public health reference laboratories (NPHRLs) providing data to the Food and Waterborne Diseases and Zoonoses Network (FWD-Net).

Human listeriosis is a relatively rare but serious foodborne disease, with an EU notification rate of 0.47 cases per 100,000 of the population in 2018. The objectives of the EQA are to assess the quality and comparability of typing data reported by NPHRLs participating in FWD-Net. Test isolates for the EQA were selected to cover those currently relevant for public health in the EU, and represent a broad range of clinically relevant types for invasive listeriosis. Two sets of 11 test isolates were selected for serotyping and molecular typing-based cluster analysis, and of the 18 laboratories which began the exercise, 17 completed it.

Source: ECDC, 10 June 2021