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Aim: To ascertain regularities of development of cellular immunity in patients with Astrakhan fever (AF) with reference to AF severity, treatment and course., Material and Methods: Cellular factors of immunity--relative and absolute contents of T-lymphocytes (early and late), T-helpers and T-suppressors, B-lymphocytes, neutrophils (early and late)--were studied in 75 patients with AF (63 patients with moderate and 12 patients with severe disease) in the course of the disease progression (weeks 1-5). The patients received antibacterial treatment--doxicyclin, rifampicin and doxicycline in combination with alpha 2-realdiron and gamma-reaferon., Results: Examination of immunocompetent cells has revealed suppression of T- and B-immunity for 2 weeks in moderate AF and 3 weeks in severe AF. The number of T-helpers was low for 3 weeks while of T-suppressors rose beginning from week 2. Immunoregulatory index Tx/Tc remains low till the end of the disease. The number of early and late neutrophils increased since weeks 2 of the disease in moderate and week 3 in severe AF., Conclusion: Doxicycline efficiency was higher than that of rifampicin. Interferon preparations decrease relative number of early and late T-lymphocytes, neutrocytes and T-helpers but their absolute number is at the control level. Relative content of T-suppressors and B-lymphocytes is as in controls but their absolute content is higher.

ORT effectiveness for AII cases of different etiology was studied in two groups of patients: 153 patients as ORT received glucosalan (group 1), 75 patients underwent ORT with sodium citrate in solution from 2.5 to 51 within 6 hours. Both group 1 and group 2 patients benefited from the above solutions as following 6 hours of treatment their biochemical and clinical indices improved. The patients attained normal coagulation, filter-reabsorption renal function under disappearance of dehydration and intoxication symptoms. Availability and simplicity of ORT procedure enable its usage prior to hospitalization, in outpatient departments, at home, making hospitalization unnecessary if started at the initial AII stages.