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Serology
2026 EQA PROGRAMS
EQA 2026 - Syphilis Serology (SYPHI)
Expert Biologists - Program Coordinators:
Béatrice GUILLEMIN, Laurence PARMELAND, Florian SCHERRER, Chantal SOBAS and Valérie VERNEAU
EQA performed since 2015
Number of analytical sites registered in 2025: 94

1 – Program overview

This program evaluates the performance of different syphilis serodiagnostic techniques: treponemal tests and non-treponemal 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

  • Treponemal test (automated technique)
  • Non-treponemal test (manual technique)
  • Non-treponemal test (automated technique)
  • 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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