Shiga toxin-producing/vero toxin-producing Escherichia coli - STEC/VTEC case definition

This document contains the case definitions for Shiga toxin-producing/vero toxin-producing Escherichia coli which is nationally notifiable within Australia. This definition should be used to determine whether a case should be notified.

Page last updated: 12 March 2004

Australian national notifiable diseases case definitions - Shiga toxin-producing/vero toxin-producing Escherichia coli - STEC/VTEC

Reporting

Only confirmed cases should be notified.

Confirmed case

A confirmed case requires Laboratory definitive evidence only.

Laboratory definitive evidence

1. Isolation of shigatoxigenic/verotoxigenic Escherichia coli from faeces

OR

2. Isolation of shiga toxin or vero toxin from a clinical isolate of E. coli

OR

3. Identification of the gene associated with the production of shiga toxin or vero toxin in E. coli by nucleic acid testing on isolate or raw bloody diarrhoea.

Note: Where STEC/VTEC is isolated in the context of Haemolytic uraemic syndrome (HUS), it should be notified as STEC/VTEC and HUS.




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