[Antimicrobial resistance among species of Salmonella, Shigella, Escherichia, and aeromonas isolated from children with diarrhea in 7 Argentinian centers].

The increasing levels of resistance of enteropathogenic bacteria against antimicrobial agents present geographic variations. We have analysed the antimicrobial susceptibility of isolates obtained from 4,364 children under 5 years of age with acute diarrhea, in 7 cities of Argentina. Diarrheagenic E.

[Isolation of Vibrio cholerae non 01 from patients with acute gastroenteritis].

It was assay by biochemical and immunological tests, strains of V. Cholerae non-01 non-0139 isolated from two patients of the province of Córdoba, Argentina. They showed episodes of acute gastroenteritis.

[Primary prevention actions in AIDS and sexually transmitted diseases in adolescents].

Considering primary prevention of ETS a priority in Adolescent Health care, we decided to investigate knowledge and attitudes of 205 students in relation to these pathologies. Results were used to organize an educational proposal based on groupal training of ¿¿Youth Health Promotors''. It is also shown the necessity of joint work between family and school in order to think and revise together with the young people involved, themes and values, in order to make a coherent, creative and holistic approach to human sexuality.

[Sexual behavior in adolescents and young subjects].

The purpose of this paper was to obtain information about sexual behavior of university students. To achieve this goal we implemented a survey which was answered anonymously by 438 students, 123 women and 315 men. They were divided into three age groups.