1. Dondero, TJ, et al. An outbreak of Legionnaires' disease associated with a contaminated air-conditioning cooling tower. New England Journal of Medicine 1980; 302: 365–370.
2. García-Fulgueiras, A, et al. Legionnaires' disease outbreak in Murcia, Spain. Emerging Infectious Diseases 2003; 9: 915–921.
3. Centers for Disease Control and Prevention. Legionnaires' disease associated with cooling towers. Morbidity and Mortality Weekly Report 1994; 43: 491–499.
4. Brown, CM, et al. A community outbreak of Legionnaires' disease linked to hospital cooling towers: an epidemiological method to calculate dose of exposure. International Journal of Epidemiology 1999; 28: 353–359.
5. Sabria, M, et al. A community outbreak of Legionnaires' disease: evidence of a cooling tower as the source. Clinical Microbiology and Infection 2006; 12: 642–647.
6. Blystad, H, Brantsaeter, AB, Lovoll, O. Outbreak of community-acquired legionnaires disease in southeast Norway, May 2005. Eurosurveillance 2005; 10: 127.
7. Barrufet-Barque, MP, et al. Legionnaires' disease outbreak [in Spanish]. Medicina Clinica (Barcelona) 2006; 126: 178–182.
8. Nguyen, TM, et al. A community-wide outbreak of legionnaires disease linked to industrial cooling towers – how far can contaminated aerosols spread? Journal of Infectious Diseases 2006; 193: 102–111.
9. Rota, MC, et al. Legionnaires' disease outbreak in Rome, Italy. Epidemiology and Infection 2005; 133: 853–859.
10. Bhopal, RS, et al. Proximity of the home to a cooling tower and risk of non-outbreak Legionnaires' disease. British Medical Journal 1991; 302: 378–383.
11. Mathieu, L, et al. Legionella bacteria in aerosols: sampling and analytical approaches used during the legionnaires disease outbreak in Pas-de-Calais. Journal of Infectious Diseases 2006; 193: 1333–1335.
12. Watson, JM, et al. Piccadilly Circus legionnaires' disease outbreak. Journal of Public Health Medicine 1994; 16: 341–347.
13. Keller, DW, et al. Community outbreak of Legionnaires' disease: an investigation confirming the potential for cooling towers to transmit Legionella species. Clinical Infectious Diseases 1996; 22: 257–261.
14. Barricarte, A, et al. Current legionellosis outbreak with 139 cases in Pamplona, Spain. Eurosurveillance 2006; 11: 141.
15. Heymann, DL (ed.). Control of Communicable Diseases Manual, 18th edn. Washington, DC. American Public Health Association, 2004.
16. Pelaz, C, García, L, Martín-Bourgon, C. Legionellae isolated from clinical and environmental samples in Spain (1983–90): monoclonal typing of Legionella pneumophila serogroup 1 isolates. Epidemiology and Infection 1992; 108: 397–402.
17. Joly, JR, et al. Development of a standardized subgrouping scheme for Legionella pneumophila serogroup 1 using monoclonal antibodies. Journal of Clinical Microbiology 1986; 23: 768–771.
18. Helbig, JH, et al. Pan-European study on culture-proven Legionnaires' disease: distribution of Legionella pneumophila serogroups and monoclonal subgroups. European Journal of Clinical Microbiology and Infectious Diseases 2002; 21: 710–716.
19. Fry, NK, et al. Assessment of intercentre reproducibility and epidemiological concordance of Legionella pneumophila serogroup 1 genotyping by amplified fragment length polymorphism analysis. European Journal of Clinical Microbiology and Infectious Diseases 2000; 19: 773–780.
20. Baladrón, B, Pelaz, C. Distribution of Legionella pneumophila serogroup 1 AFLP-types of unrelated clinical isolates in Spain. Procedings of the 17th Meeting of the European Working Group on Legionella Infections, Malta, pp. 38, 2002.
21. Lück, PC, et al. Epidemiologic investigation by macrorestriction analysis and by using monoclonal antibodies of nosocomial pneumonia caused by Legionella pneumophila serogroup 10. Journal of Clinical Microbiology 1994; 32: 2692–2697.
22. Bursed, LJ, et al. A large, travel-associated outbreak of legionellosis among hotel guests: utility of the urine antigen assay in confirming Pontiac fever. Clinical Infectious Diseases 2007; 44: 222–228.
23. Addis, DG, et al. Community-acquired Legionnaire's disease associated with a cooling tower: evidence for longer distance transport of Legionella pneumophila. American Journal of Epidemiology 1989; 130: 557–568.
24. Den Boer, JW, et al. A large outbreak of Legionnaire's disease at a flower show, the Netherlands, 1999. Emerging Infectious Diseases 2002; 8: 37–43.
25. Heath, CH, Grove, DI, Looke, DFM. Delay in appropriate therapy of Legionella pneumonia associated with increased mortality. European Journal of Clinical Microbiology and Infectious Diseases 1996; 15: 286–290.
26. Benin, AL, Benson, RF, Besser, RE. Trends in Legionnaires disease, 1980–1998: declining mortality and new patterns of diagnosis. Clinical Infectious Diseases 2002; 35: 1039–1046.
27. Cayla, JA, et al. A community outbreak of Legionnaires' disease in Barcelona: epidemiologic and environmental study [in Spanish]. Medicina Clinica (Barcelona) 1989; 93: 526–530.
28. Storch, G, et al. Sporadic community-acquired Legionnaires' disease in the United States. A case-control study. Annals of Internal Medicine 1979; 90: 596–600.
29. Real Decreto del Ministerio de Sanidad y Consumo por el que se establecen los criterios higiénico-sanitarios para la prevención y control de la legionelosis. Real Decreto 865/2003. Boletín Oficial del Estado. July 18, 2003 (http://www.boe.es/boe/dias/2003/07/18/pdfs/A28055-28069.pdf). Accessed 20 May 2007.
30. Ordóñez-Iriarte, JM, et al. Prevalence of Legionella in cooling towers in the community of Madrid [in Spanish]. Medicina Clinica (Barcelona) 2006; 126: 189–195.
31. Decreto Foral 54/2006, de 31 de julio, por el que se establecen medidas para la prevención y control de la legionelosis. Boletín Oficial de Navarra n° 96 de 11 de agosto de2006 (http://www.cfnavarra.es/bon/068/bon06096.pdf). Accessed 20 May 2007.