[Toxocariasis in the Tula region].

Serological survey of 2586 persons with suspected toxocariasis revealed Toxocara antigen titers in 644 (24.9%). Canine toxocariasis affliction was 25%, environmental Toxocara egg contamination was 3.

[Cases of cryptosporidiosis in Tula Province].

In Tula Province [correction of Region], the affliction of its population with cryptosporidiosis has been first estimated at 0.2%. Cryptosporidium infection has been recorded in 0.

[The effect of different factors on the epidemic process in ascariasis (exemplified by Tula Province)].

An epidemiological process in ascariasis in Tula Province within a 16-year period during which there were no significant socioeconomic changes is analyzed. Improved water consumption, the scope and level of waste-water disposal and sewage treatment along with intensive efforts to detect the foci of ascariasis and with the implementation of health-promoting measures in them are shown to have the most considerable influence on the reduction in the intensity of an epidemiological process in ascariasis. These findings may be useful in gaining some insight into the efficiency of health-promoting measures in the foci where sewage treatment is inadequate and water supply is poor.

[The casuistics of nematodiases in man in Tula Province].

Cases of human gongylonemiasis (G. pulchrum) and dirofilariasis (D. repens) in Tula Province are reported.