[en] A review is made of the papers presented at the Scientific Session of the National Centre for Radiobiology and Radiation protection (Sofia, BG) held in October 1992. They summarize the information about all possible consequences of the Chernobyl accident affecting the health of the Bulgarian population. The following topics are included: evaluation of radiation risk based on the radiation doses specified for the Bulgarian population including prenatal irradiation and inhalation of hot particles; analysis of oncological morbidity (general, of thyroid and of hemopoietic system); analysis of congenital malformations, registered in different hospitals during the first six years after the accident; directions for future epidemiologic studies; methodological and organizational problems in case of radiation accident. (A.B.)