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A large outbreak of Legionnaires' disease at a flower show, the Netherlands, 1999.
Emerg Infect Dis. 2002 Jan; 8(1):37-43.EI

Abstract

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.

Authors+Show Affiliations

National Institute of Public Health and the Environment, Bilthoven, the Netherlands. jwdenboer.ggdhaarlem@wxs.nlNo affiliation info availableNo affiliation info availableNo affiliation info availableNo affiliation info availableNo affiliation info availableNo affiliation info availableNo affiliation info availableNo affiliation info availableNo affiliation info availableNo affiliation info availableNo affiliation info availableNo affiliation info availableNo affiliation info available

Pub Type(s)

Journal Article

Language

eng

PubMed ID

11749746

Citation

Den Boer, Jeroen W., et al. "A Large Outbreak of Legionnaires' Disease at a Flower Show, the Netherlands, 1999." Emerging Infectious Diseases, vol. 8, no. 1, 2002, pp. 37-43.
Den Boer JW, Yzerman EP, Schellekens J, et al. A large outbreak of Legionnaires' disease at a flower show, the Netherlands, 1999. Emerg Infect Dis. 2002;8(1):37-43.
Den Boer, J. W., Yzerman, E. P., Schellekens, J., Lettinga, K. D., Boshuizen, H. C., Van Steenbergen, J. E., Bosman, A., Van den Hof, S., Van Vliet, H. A., Peeters, M. F., Van Ketel, R. J., Speelman, P., Kool, J. L., & Conyn-Van Spaendonck, M. A. (2002). A large outbreak of Legionnaires' disease at a flower show, the Netherlands, 1999. Emerging Infectious Diseases, 8(1), 37-43.
Den Boer JW, et al. A Large Outbreak of Legionnaires' Disease at a Flower Show, the Netherlands, 1999. Emerg Infect Dis. 2002;8(1):37-43. PubMed PMID: 11749746.
* Article titles in AMA citation format should be in sentence-case
TY - JOUR T1 - A large outbreak of Legionnaires' disease at a flower show, the Netherlands, 1999. AU - Den Boer,Jeroen W, AU - Yzerman,Ed P F, AU - Schellekens,Joop, AU - Lettinga,Kamilla D, AU - Boshuizen,Hendriek C, AU - Van Steenbergen,Jim E, AU - Bosman,Arnold, AU - Van den Hof,Susan, AU - Van Vliet,Hans A, AU - Peeters,Marcel F, AU - Van Ketel,Ruud J, AU - Speelman,Peter, AU - Kool,Jacob L, AU - Conyn-Van Spaendonck,Marina A E, PY - 2001/12/26/pubmed PY - 2002/4/9/medline PY - 2001/12/26/entrez SP - 37 EP - 43 JF - Emerging infectious diseases JO - Emerg Infect Dis VL - 8 IS - 1 N2 - 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. SN - 1080-6040 UR - https://www.unboundmedicine.com/medline/citation/11749746/A_large_outbreak_of_Legionnaires'_disease_at_a_flower_show_the_Netherlands_1999_ L2 - https://www.ncbi.nlm.nih.gov/pmc/articles/pmid/11749746/ DB - PRIME DP - Unbound Medicine ER -