biotical Yersinia enterocolica O:3 card is a coloured chromatographic immunoassay test for the qualitative detection of Yersinia enterocolica O:3 in stool samples and Yersinia enterocolica O:3 suspected colonies in stool culture. Thanks to its easy handling and high sensitivity, the healthcare professional will be able to make a presumptive diagnosis of Yersinia enterocolica O:3 infection and it could be used to identify suspected Yersinia enterocolica O:3 isolates from selective media (stool culture).