[Species of enterobacteria new to medicine].

The paper presents main biological characteristics of six new species of enterobacteria, which may cause a number of infectious processes in man: Moellerella wisconsensis, Koserella trabulsii. Leclercia adecarboxylata. Escherichia fergusonii. Rahnella aquatilis, Enterobacter asburiae. The characteristics presented allow the bacteriologists of the laboratory of health services to isolate and to identify the above-mentioned enterobacteria.