[Organization of preventive and antiepidemic measures in conditions of massive outbreak of Legionnaires' disease in population of town Verkhnyaya Pyshma. Epidemiologist's work experience in ensuring biosafety].

Data on organization and carrying out of preventive and antiepidemic measures in hospital during mass hospitalization (> 190 cases) of patients with community-acquired pneumonia caused by Legionella pneumophila are presented. Experience of physicians-epidemiologists in determination of directions of work in hospital, procedures of interaction, extent and description of biosafety measures in order to prevent nosocomial spread of infection to patients and staff are described.