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The prevalence of past infections due to Bar29 rickettsial strain in a population from Southern Europe, as well as the possible risk factors associated to exposure to this rickettsia, were analysed. Among the 504 subjects included, global prevalence of past infections was 3.4%. Past infections were significantly more frequent in rural areas compared to(More)
The objective of the study was to investigate the prevalence of immunoglobulin G (IgG) antibodies to hepatitis E virus (HEV) infection in a population sample from Catalonia and to analyze the demographic and clinical variables associated with the presence of these antibodies. A total of 1,280 subjects between 15 and 74 years of age were selected randomly(More)
Rickettsia typhi and Rickettsia conorii, the etiologic agents of, respectively, murine typhus and Mediterranean spotted fever, are recognized as frequent causes of fever of intermediate duration in southern Spain; in addition, in recent years Rickettsia felis has been detected in potential vectors in this area. Nevertheless, limited data exist regarding the(More)
Determination of antibody levels against vaccine-preventable diseases is of great value to assess immunization programmes. The objective of this study was to determine the prevalence of measles, rubella, and mumps antibodies in representative samples of the child and adult population of Catalonia and compare the findings to those obtained in 1996. A(More)
The aim of this study was to investigate risk factors for the most common serotypes of invasive pneumococcal disease (IPD). A total of 293 IPD cases were analyzed in children aged 3-59 mo in a community with intermediate vaccination coverage with the 7-valent pneumococcal vaccine (PCV7). IPD cases were reviewed during 2007-2009 in two pediatric hospitals in(More)
In the last quarter of the year 2000, the meningococcal C conjugated vaccine was incorporated into the routine vaccination schedule in Catalonia (at 2, 4 and 6 months). In addition a vaccination campaign was carried out in children <6 years of age, with a coverage of 96.2%. The effectiveness of the vaccination in this age group during 2001 and the first 28(More)
BACKGROUND The aim of this study was to investigate the clinical and epidemiological characteristics of meningococcal disease in Catalonia (Spain) after vaccination with the polysaccharide vaccine. PATIENTS AND METHODS Cases were collected by the Statutory Diseases Reporting System. RESULTS 176 cases were reported, an overall incidence of 2.9/100,000(More)
The aim of this study was to investigate the incidence of invasive pneumococcal disease (IPD) in Catalonia. A hospital-based incidence study of the period 1997-1999 was carried out by reviewing the isolations of Streptococcus pneumoniae obtained from normally sterile sites reported by the hospitals that voluntarily participate in the Microbiological(More)
From 25th April 2009 to 20th January 2010, 771 laboratory confirmed cases of 2009 pandemic influenza A (H1N1) were admitted to intensive care units (ICU) or hospitalized in medical wards with clinical criteria of severe disease (hospitalized pneumonias, multiorganic failure, septic shock or admitted to ICU or death while hospitalized). 82% of cases were(More)