Younis et al., 2019). Y. enterocolitica most frequently causes acute gastroenteritis characterized by fever, vomiting, diarrhoea, and abdominal cramps (Peng et al., 2018). Although most infections are usually self-limiting, serious complications can occur, especially in immunosuppressed patients (Bottone, 2015;Fois et al., 2018). Severe cases that result in systematic infection, bacteraemia, or septicaemia require antibiotic intervention (Bottone, 2015;Younis et al., 2019). Most antibiotics are active against Y. enterocolitica, except for selected penicillins and cephalosporins