[Epidemiological features of leptospirosis in Stavropol' region].

The data on leptospirosis morbidity among agricultural animals and humans in the Stavropol Territory for the last 10 years, as well as the serological picture of the causative agent of leptospirosis, are presented. The epidemiological importance of the main risk factors and their influence on the development and manifestations of the epidemic process are substantiated. As revealed in this investigation, the professional character of leptospirosis morbidity among humans has been almost completely lost under modern conditions, which requires further study with a view to the development of the rational complex of prophylactic measures.

[Hemolymph cells of fleas and their phagocytic activity].

The present paper concerns 4 groups of haemolymph cells of fleas (proleukocytes, leukocytes, trophic cells and oenocytoids), results of observations on their phagocytic activity during parenteral infection of insects with bacteria, bacilli, and cells' response to the infection with Microsporidia.