[Educational intervention on HIV aimed at adolescent students of "Camilo Cienfuegos" military school in Arroyo Arenas].

Introduction: HIV infection in young people is one of the main health problems at the present time, with significant mortality and morbidity indexes and considerable costs.

Objective: to identify the level of knowledge, the sources of information and the behaviours of young students at high school in order to take educational actions that raise their knowledge on this disease and promote more healthy lifestyles.

Methods: a quasi experimental study was designed to evaluate the results of an educational intervention in 200 adolescents of "Camilo Cienfuegos" Military School located in Arroyo Arenas, Havana, which was carried out in June, 2009.

[Factors linked to rapid progression to AIDS in Cuban subjects].

Introduction: in the last few years, the number of HIV Cuban patients expressing rapid clinical and immunologic deterioration has increased.

Objective: to find out the possible factors associated to rapid progression to AIDS.

Methods: a case-control study was carried out with the objective of determining possible factors associated with rapid progression to AIDS.