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Serology Image Lyme
2026 EQA PROGRAMS
EQA 2026 - Lyme Serology (LYME)
Expert Biologists - Program Coordinators:
Béatrice GUILLEMIN, Florian SCHERRER and Chantal SOBAS
EQA performed since 2017
Number of analytical sites registered in 2025: 46

1 – Program overview

The program is designed to assess the performance of different serological tests for Lyme disease: IgG/IgM screening tests and IgG/IgM confirmation tests.

Statistical reports are sent with supporting comments from the expert clinical biologists who coordinate the program.

2 – Assessment frequency

Number of surveys per year: 4
Number of control samples per survey: 1 or 2
Number of samples per year: 6

3 – List of tests assessed

  • IgG and IgM screening tests
  • IgG and IgM confirmation tests
  • Interpretation

4 – Description of the control samples

Lyophilized human control serums (samples to be resuspended in 1 mL of distilled water).

5 - Clinical settings

The clinical setting for the samples to be tested during each survey is systematically described and participating labs are encouraged to propose a global interpretation of the results obtained. This interpretation is also commented in the reports.

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