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Volume 10, Number 7—July 2004

Research

Q Fever Outbreak in Industrial Setting

Hugo C. van Woerden*Comments to Author , Brendan W. Mason*, Lika K. Nehaul†, Robert Smith*, Roland L. Salmon*, Brendan Healy‡, Manoj Valappil§, Diana Westmoreland§, Sarah de Martin†, Meirion R. Evans*, Graham Lloyd¶, Marysia Hamilton-Kirkwood‡, and Nina S. Williams*
Author affiliations: *National Public Health Service for Wales, Cardiff, United Kingdom; †Department of Public Health, Gwent, United Kingdom; ‡Department of Public Health, Cardiff, United Kingdom; §University Hospital of Wales, Cardiff, United Kingdom; and; ¶Special Pathogens Reference Unit, Wiltshire, United Kingdom

Main Article

Table 5

Summary of highest phase 2 IgM results recorded for 107 persons in the cohorta

IgM P2 values AQF cases Past exposure Uncertain status
0
1
8

Low levels
0
0
1
80
0
0
2
<60
0
0
0
160
5
0
2
320
3
0
0
640
16
0
0
1,280
4
0
0
>1,280
65
0
0
Total 94 8 5

aIg, immunoglobulin; AQF, acute Q fever.

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