Skip directly to site content Skip directly to page options Skip directly to A-Z link Skip directly to A-Z link Skip directly to A-Z link
Volume 8, Number 1—January 2002

A Large Outbreak of Legionnaires’ Disease at a Flower Show, the Netherlands, 1999

Jeroen W. Den Boer*†Comments to Author , 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*, and Marina A.E. Conyn Van Spaendonck*
Author affiliations: *National Institute of Public Health and the Environment, Bilthoven, the Netherlands; †Municipal Health Service Zuid-Kennemerland, Haarlem, the Netherlands; ‡Regional Laboratory of Public Health Haarlem, Haarlem, the Netherlands; §Academic Medical Center, Amsterdam, the Netherlands; ¶National Outbreak Structure for Infectious Diseases, Den Haag, the Netherlands; #Regional Laboratory of Public Health Tilburg, Tilburg, the Netherlands

Main Article

Table 4

Characteristics of persons with legionellosis who worked in the right half of hall 3 compared with staff members who did not get become ill and who worked in the same hall

Cases in right half of hall 3 (n=7) n (%) Cohort respondents in hall 3 (n=151) n (%)
Age group
<30 0 (0) 23 (15.7)
30-39 0 (0) 24 (16.3)
40-49 1 (14) 29 (19.7)
50-59 4 (57) 46 (31.3)
60-69 2 (29) 20 (13.6)
>70 0 (0) 5 (3.4)
Males 6 (86) 67 (45.3)
Smokers 4 (67)a 44 (29.1)
Immunocompromised 0 (0) 5 (3.3)
History of pneumonia 1 (14) 5 (3.3)
History of diabetes 1 (14) 5 (3.3)

aData missing for one case.

Main Article

1A bubblemat is an inflatable rubber mat that causes a whirlpool-like effect when placed in a normal bathtub.

Page created: August 06, 2012
Page updated: August 06, 2012
Page reviewed: August 06, 2012
The conclusions, findings, and opinions expressed by authors contributing to this journal do not necessarily reflect the official position of the U.S. Department of Health and Human Services, the Public Health Service, the Centers for Disease Control and Prevention, or the authors' affiliated institutions. Use of trade names is for identification only and does not imply endorsement by any of the groups named above.