The authors' objective in the above review was to stress the epidemiological importance of Yersinia enterocolitica infections. They therefore detail the clinical and epidemiologic features of acute or primary as well as of secondary forms and complications of Yersinia enterocolitica infections. Further, they dwell on the management of these infections and illustrate the properties, toxic effects and other side effects of the antibiotics commonly used in therapy and for the prevention of complications. Finally, they take stock of the regulations to be applied for the prevention of this complex and multifaceted infection.