EN
Parasitosis occurs often in Poland. Number of those cases increase among others from reason of touristy departures to countries of endemic diseases such as malaria, amoebiasis, giardiasis. By many years were been careful, that symptoms of parasitic diseases are connected from damaging of etiologic factor onto cells directly. Investigation above role of programmed death of cells in parasitic diseases, showed importance of this occurrence in the course of disease. These observations are essential, because possibilities of extension of therapeutic workings create among patients with parasitosis.