[An experimental study of mixed tularemia and Omsk hemorrhagic fever infection in muskrats].

Musk-rats were infected simultaneously and at three-day interval with tularemia and Omsk hemorrhagic fever (OHF); the course of this mixed infection under the mentioned conditions were studied. Virological, microbiological and morphological data indicated that infection of musk-rats with OHF and tularemia caused development of mixed infection in them. A more severe course of mixed infection was associated with enhanced vascular affections caused by the action of the OHF virus. An inhibition of tularemia caused by the OHF development was noted in the course of mixed infection.