A Large Outbreak of Legionnaires’ Disease at a Flower Show, the Netherlands, 1999
| Autor: | Jeroen W. Den Boer, Ed P.F. Yzerman, Joop Schellekens, Kamilla D. Lettinga, Hendriek C. Boshuizen, Jim E. Van Steenbergen, Arnold Bosman, Susan Van den Hof, Hans A. Van Vliet, Marcel F. Peeters, Ruud J. Van Ketel, Peter Speelman, Jacob L. Kool, Marina A.E. Conyn Van Spaendonck |
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| Jazyk: | angličtina |
| Rok vydání: | 2002 |
| Předmět: | |
| Zdroj: | Emerging Infectious Diseases, Vol 8, Iss 1, Pp 37-43 (2002) |
| Druh dokumentu: | article |
| ISSN: | 1080-6040 1080-6059 |
| DOI: | 10.3201/eid0801.010176 |
| Popis: | In 1999, an outbreak of Legionnaires' disease affected many visitors to a flower show in the Netherlands. To identify the source of the outbreak, we performed an environmental investigation, as well as a case-control study among visitors and a serologic cohort study among exhibitors to measure exposure to possible sources. Of 77,061 visitors, 188 became ill (133 confirmed and 55 probable cases), for an attack rate of 0.23% for visitors and 0.61% for exhibitors. Two whirlpool spas in halls 3 and 4 of the exhibition and a sprinkler in hall 8 were culture positive for Legionella pneumophila. One of three genotypes found in both whirlpool spas was identical to the isolates from 28 of 29 culture-positive patients. Persons who paused at the whirlpool spa in hall 3 were at increased risk for becoming ill. This study illustrates that whirlpool spas may be an important health hazard if disinfection fails. |
| Databáze: | Directory of Open Access Journals |
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