[Prevalence of respiratory problems in workers at two manufacturing centers of ready-made concrete in Morocco].

Setting: Employees at factories for ready-made concrete are exposed to the dust emanating from the products (such as sand, gravel and cement); however, there have been few studies on the subject.

Methods: A retrospective cohort analysis was conducted in a male population: 120 employees working in cement production and 120 non-exposed civil servants working at the Casa-Anfa prefecture. Each employee underwent interview by standardised questionnaire, spirometry test and standard chest radiography.

Organization and education in occupational safety and health in Maghreb countries.

The Maghreb consists of five countries of North Africa (Mauritania, Morocco, Algeria, Tunisia and Libya) which are members of a socio-economical community called the Union of Arab Maghreb. This paper discusses the organisation of occupational health, medical protection of workers and training in occupational safety and health in these countries. After a review of socio-economic and demographic data and legislative aspects, we report epidemiological and analytic data specific to each country concerning organisation and training in occupational health.