[DENGUE FEVER IN RUSSIA: PROBLEMS OF DIAGNOSTICS].

The authors report clinical and laboratory data concerning a case of hemorrhagic dengue fever introduced to Ul’yanovsk by a tourist who had spent holiday in Vietnam. The clinical picture of the disease is described along with results of clinical and laboratory analyses. The approaches to the evaluation of the patient's health status during the period of primary examination and medical care as well as the problems that arose after the final diagnosis was established are discussed.