[Half a century since the discovery of tularemia in the USSR].

The all-round and detailed study of tularemia carried out in the USSR for 50 years (1926-1976) offered a possibility to lay scientific foundation and to carry out an effective control of this infection in the whole country, providing a sharp and stable reduction of the incidence of this infection in man. By a number of sections and by practical results tularemia investigations in the USSR excelled foreign data.