Tag: STEC

Renewed certificate for iQ-Check STEC VirX

In December 2022, MicroVal has approved the issuing of the renewed certificate for Bio-Rad’s  iQ Check STEC VirX, based on the extension validation study to include food products based flours and raw doughs within the scope. Like the initial validation study, also the extension study was carried out by ADRIA Développement.

The iQ-Check STEC VirX for real-time PCR detection of virulence genes in Shiga toxin-producing Escherichia coli has now been validated for raw dairy products, raw meat products (excluding poultry) and flours and raw doughs. In general, this method gives the results for both stx and eae genes, however for this validation study, the interpretation was based on detection of stx only.

The certificate and the accompanying validation report, number 2021LR96, can be found under ‘issued certificates / alternative methods’.

New Certificate for iQ-Check™ STEC VirX

In June 2022, MicroVal has approved the issuing of the certificate for Bio-Rad’s iQ-Check™ STEC VirX kit for real-time PCR detection of virulence genes in Shiga toxin-producing Escherichia coli. ADRIA Développement has carried out the validation study of this alternative method, based on ISO 16140-2:2016, for the scope of raw meat products (excluding poultry) and raw dairy products.

STEC outbreaks are commonly associated with the consumption of raw meat, particularly beef, but also with dairy products. A sample positive for both stx1/stx2 and eae targets typically requires further testing for the identification of the major E. coli serogroups. The iQ-Check STEC VirX Kit, based on a multiplex real-time PCR system, allows the detection of the stx1/stx2 and eae virulence genes within a few hours after microbiological enrichment.

The certificate and the accompanying validation report, number 2021LR96, can be found under ‘issued certificates / alternative methods’.