Enteric infections due to Campylobacter, Yersinia, Salmonella, and Shigella. WHO Scientific Working Group.

This report reviews the available information on the clinical features, pathogenesis, bacteriology, and epidemiology of Campylobacter jejuni and Yersinia enterocolitica, both of which have recently been recognized as important causes of enteric infection. In the fields of salmonellosis and shigellosis, important new epidemiological and related findings that have implications for the control of these infections are described. Priority research activities in each of these areas are outlined.