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Aim. To evaluate the links between the individual gender ideology, sexual statements, relationship system characteristics and the vulnerability of heterosexual HIV infection. Materials and methods. Behavioral questioning, based on sampling of 239 students (mean age 20 years). Results. Among both young men and women, there was detected a correlation between loyalty to conservative gender ideology and justification of sexual abuse against women as well as characteristics of interpersonal relations, reducing motivation to use of condoms. Conservative gender ideology significantly raises vulnerability of young women against HIV-infection through their justification of sexual abuse and domination of men. Egalitarian gender ideology is essentially connected with the statements, aimed at less risky, as for HIV infection, sexual practice. Conservative gender ideology supports orientation of youth to behavioral models, elevating vulnerability against HIV infection in heterosexual contacts: refusal from use of condoms, resistance to recommendations for decrease of risk. Conclusions. Conservative gender ideology significantly increases vulnerability of young women against HIV infection through their justification of sexual abuse and domination of men. It is useful to include determination of a number of sociopsychological characteristics into the procedure of behavioral studies in the framework of epidemiological supervision of HIV infection, which can indirectly increase vulnerability of youth against HIV infection. There were offered content changes in programs, directed to decrease of risk among youth.

We demonstrate the use of tools to influence the form of animation curves to change the direction of motion of the object, its speed, acceleration, moment of transition in a particular situation. These operations are performed by editing keys, editing tangents (or tangential) and directly through functional curves.

The necessity and effectiveness of introducing the program of the exchange of syringes for intravenous drug users as a preventive and antiepidemic measure are discussed. Preventive and antiepidemic measures within the concept of harm reduction are described. The comparative analysis of materials obtained as a result of two sociological questionings, carried out in 1997-1998 among the representatives of the community (random nonrepeating choice) and in the middle of 1999 among the participants of the program revealed that the participants of the program had statistically significant changes in risky behavior patterns during the use of injection drugs.

150 persons (drug users) who had applied to the department of psycho-social consultations and voluntary tests for the presence of HIV infection and STD of the Regional AIDS Control Center, as well as partners of HIV-infected addicts in the intravenous use of drugs, were examined. Out of 150 examined persons 63 were found to be positive for HIV infection. Among dangerous behavioral patterns, characteristic of drug addicts introducing drugs intravenously, the practice of repeated aspiration of the drug into syringes from the dose of the drug solution, common for the whole group of addicts, was noted as the most widespread habit.