19th workshop - 3 online sessions

From 22 September 2025 to 18 November 2025

3 online sessions

The meeting will be held online in three parts:

  • Monday 22 September (10:00-12:00) dedicated to (1) shelf-life studies;
  • Thursday 6 November (14:00-16:00) dedicated to (2) detection and enumeration;
  • Tuesday 18 November (14:00-16:00) dedicated to (3) characterisation and typing.

Session 1: Shelf-life studies

22 September 10:00-12:00

★ Intro / Network update / Outro – Adrien Asséré

★ Regulatory update – Martial Plantady (EC DG SANTE)

★ DG SANTE Guide – Rubén Barcia-Cruz

★ Collection of strains for shelf-life studies – Rubén Barcia-Cruz

★ Update from ISO/TC 34/SC 9/WG 19 - Guidelines for conducting challenge tests – Rubén Barcia-Cruz

★ 2024 and 2026 proficiency tests – Ludivine Bonanno

Session 2: Detection and enumeration

6 November 14:00-16:00 and 14 November 13:00-14:00

★ Intro – Adrien Asséré

★ Outcome of the 2023 Zoonoses report: A - Human and B - animal, food & FBO – Taina Niskanen (ECDC) and Giusi Amore (EFSA)

★ 2025 Proficiency Tests on Detection and Enumeration - Léna Barre

★ Survey related to atypical strains/contaminants/new species – Nathalie Gnanou-Besse & Léna Barre

★ ISO/WG32 - Nathalie Gnanou-Besse & Léna Barre

★ Enumeration limit: low number - A and B - dPCR – Nathalie Gnanou-Besse & Aurélien Mondier Cassini

Part 3: Characterisation and Typing

18 November 14h00-17h30

★ Intro / Outro – Adrien Asséré

★ EFSA One health WGS system with the inclusion of the upcoming regulatory requirements – Mirko Rossi (EFSA)

★ EURLs WG on NGS and related Guidances including QC – Maroua Sayeb

★ Accreditation WGS – Brian Byrne (IE)

★ New criteria for cgMLST typing PT ?  – Aurélien Mondier Casini

★ 2024 and 2025 Typing PTs – Maroua Sayeb

★ Outbreak Simulation Exercise – Benjamin Félix

★ GenoListeria – Karine Capitaine

★ GenoListeria Detect – Benjamin Félix

NRLs Lm presentations: 

    ★ Listeria monocytogenes species identification through WGS data – Alexandra Chiaverini (IT)

    ★ Lm prevalence and AMR among dairy products in Romania – Laurentiu Ciupescu (RO)

      ★ Persistence of Listeria monocytogenes in food processing environments: challenges and future directions (Article)– Gonçalo Almeida (PT)

       

      ★ From big data to detection: applying machine learning for source attribution in a One Health approach - case study on Listeria monocytogenes – Isis Lorenzo (ANSES)

         

        Asséré Adrien
        Manager EURL Lm
        Barcia-Cruz Rubén
        Deputy Manager EURL Lm