Following the consumption of porc infested with Trichinella spiralis, there were 21 cases of trichinellosis, of which 15 clinical forms and 6 subclinical cases. The clinical picture was polymorphous, characteristic. In one case of an expectant mother, the pregnancy evolved up to term and the child was born normally. Histologic examination of the maternal placenta revealed the presence oe encapsulated parasites. Eosinophilia, increasing up to 50%, was found in all the cases, as well as a slight increase in transaminases, alpha2-globulins, leukocytes and erythrocytic sedimeatation rate. The diagnosis was established on the basis of the epidemiologic and immunologic data, clinical picture, eosinophilia and especially the positive trichinoscopic examination of the infested meat and muscle biopsy puncture performed in two of the patients. In 7 cases Mintezol combined with Prednison was administered. Thrombophlebitic complications developed in 4 cases and corticotherapy was interrupted since it was considered to contribute to the complications.