 The Institute is known as the centre of research in the field of immunology and experimental therapy in Poland, and owing to its wide cooperation with many foreign laboratories, it renders great service to the exploration of immunological phenomena and immunological differentiation of living organisms.Stefan Ślopek is the author of over 300 original scientific papers, above 30 reviewed and popularized scientific publications, 7 manuals, 7 monographs among them Immunology, Practical Immunology, Medical Microbiology (published