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The authors present guidelines for the first prevalence survey of nosocomial infections in the University Hospital "Madre Teresa" in Tirana (almost 1,600 beds), the only tertiary health-care centre in Albania. The survey is a joint project involving Italy and Albania, to be coordinated by the Italian National Health Institute. The paper describes goals, methodology and organization of the prevalence survey. The improvement of local expertise in epidemiology and microbiology is one of the most important goals. Therefore, Albanian personnel training and improvement of the infection microbiological diagnosis are fundamental aspects of the project.

The worsening of the social-environmental conditions during the period of transition of Albania and an epidemic of cholera (1994) were the cue for the execution of the study. The main objective is the description of knowledge and attitudes of the Albanian mothers about the risk factors for the gastroenteritis. This is a descriptive study of a representative sample (2100 families) of the population who reside in the central area of Albania, in 1996. The sample has been selected by cluster-sampling method. Interviewers trained previously, collected the data with a questionnaire ad hoc. Data elaboration has been carried out with the software Epilnfo 5. 99.7% (2094) of the enlisted mothers, mean age 28.7 years, were interviewed. 2/3 of them reside in rural areas. We considered social-demographic variables and their relation with the generic hygienic norms and those relative to water, foods, animals. The basic knowledge was very insufficient, particularly in rural areas, and in relation with lower social-economic index and instruction. The study reflects the state of transition train of the political and social-sanitary situation of Albania in the last decade. Still the knowledge and the attitudes about the alimentary hygiene are inadequate. It seems opportune to face this emergency with campaigns aimed at health education and public health interventions.

Gastrointestinal infections represent one of the main cause of morbidity both in developing and industrialized areas. Quality of coastal waters is particularly important for countries as Italy that has several regions on coasts. Public health and economy aspects could be hardly affected by poor quality of sea waters. Several studies have been addressed to the association between sea recreational water and development of gastrointestinal infection but in Italy only sporadic cases of infection have been reported especially in immunocompromised hosts. Results of this study, either in the case control or in the active surveillance study seem to confirm the absence of an association between sea exposure and intestinal infections. One of the main risk factors for the development of these infections is still represented by the seafood consumption especially shellfish.