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  • Title: [A community outbreak of Legionnaires' disease in Barcelona: epidemiologic and environmental study].
    Author: Caylà JA, Sala MR, Plasencia A, Beneyto V, Sureda V, Llorens M, Batalla J.
    Journal: Med Clin (Barc); 1989 Nov 04; 93(14):526-30. PubMed ID: 2622252.
    Abstract:
    The investigation of the outbreak of legionellosis which developed in Barcelona in February 1988 included: 1) a case-control study, with the patients with Legionella pneumophila pneumonia (n = 56) and those with pneumonia by other organisms (n = 109) in the Hospital Clínic i Provincial (HCP); 2) a review of refrigeration towers and the water supply system; 3) a meteorological study, and 4) a survey of the construction works being carried out in the HCP area. The cases lived in the urban district 2 more often than the controls (odds ratio = 3.73, 95% confidence intervals 1.8-7.6), and were not associated with hospitals of hotels. L. pneumophila was not recovered from the environmental samples. The temperatures were unusually high, with a low air humidity. In the area near the HCP demolition materials were frequently removed. A causative focus was not detected; it cannot be ruled out, however, that the source of the outbreak was the removal of demolition materials in the affected area on the days preceding the epidemic outbreak.
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