EN
Due to dramatic development of modern means of transport, exotic countries located on distant continents are today within a few-hour reach by a jet. Every year several million people travelled by air in business or as a tourists. This results in easy transmission of parasitic and infectious factors from continent to continent or from country to country. Plasmodium vivax infection: diagnosis concerned 6 men who had returned from Thailand, India, Senegal and Zaire. The parasitosis was detected as a result of thin smear of periferal blond tests - there were found P. vivax trophozoites an shizontes in erythrocytes. In the patients we found haematologic and termoregulation disturbances as well as hapepatosplenomegaly. Halfan was applied in therapy. Plasmodium falciparum infection: the infection was found in a man and a women after return from Kenya and Sudan. The parasitosis was detected as a result of thin smear of peripheral blond test - there found trophozoites of the parasite in erthorocytes. The course of malaria in the woman was very severe with cerebral malaria, DlC syndrome and blond circulation disturbances, hepatocellular and nephrocellular damage. Entamoeba histolytica, HAV and Candida albicans mixed infections: found in men who had returned from India. Severe E. histolytica infection: diagnosed in a women after return from Greece. There were found massive lesion of large intestine mucosa and high-degree disturbances. Leptospirosis icterohaemorrhagiae infection: found in a man after return from Belarus. Haematologic disturbance and hepatocellular and nephrocellular damage were observed.