Volume 8, Number 1—January 2002
A Large Outbreak of Legionnaires’ Disease at a Flower Show, the Netherlands, 1999
|Culture||Urinary antigen||Fourfold rise in titer||Direct immunofluorescence||PCRb||Single high titer|
|Fourfold rise in titer||3||25||53||0||1||0|
|Single high titer||4||12||0||0||3||18|
aThe table is read as follows: of 29 patients who had positive cultures, 24 were positive by urinary antigen, 3 had a fourfold rise in titer, 2 were positive by direct immunofluorescence, and 11 by PCR, and 4 had single high titers.
bPCR = polymerase chain reaction.
1A bubblemat is an inflatable rubber mat that causes a whirlpool-like effect when placed in a normal bathtub.
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