[The characteristics of cryptosporidiosis epidemiology in the European part of Russia].

Large-scale surveys of representative population groups (n = 2243) in 7 cities and 3 provinces of the central, Povolzh'e, and northwestern regions of the Russian Federation provided the basic epidemiological features of cryptosporidiosis in the European part of the country. Its mean incidence of the population was 3.34%, much higher in children (3.

[The host-opportunistic protozoa system. The incidence of mixed infections (Pneumocystis and cytomegalovirus) in children living in radionuclide-contaminated areas].

The purpose of our study was to determine the influence of ionized radiation onto the frequency of mixed infections (P. carinii and Cytomegalovirus) in children inhabitants of the settlements affected with radionuclide after Chernobyl accident. Two groups of children were under survey.

[The host-opportunistic protozoa system. The effect of ionizing radiation on the prevalence of cryptosporidiosis and pneumocystosis].

The aim of this study was to determine an influence of ionized radiation on the prevalence of Cryptosporidium and Pneumocystis carinii (P. c.) infections in children inhabitants of settlements affected by radionuclides after Chernobyl accident.

[The host-opportunistic protozoa system. The outcome of a Leishmania infantum infection in white rat pups naturally resistant to Leishmania infection].

It was found out, that non-lineal young white rats have a natural resistance to the leishmania infection, but it could be overcome with the mean of immunosuppression caused by the corticosteroid of prolonged action Tricort-40. The leishmania infection caused by immunosuppression is successfully eliminated by the animal organism soon after the stopping of immunosuppressant action, that could be considered as the restitution of the natural resistance.