Volume 10, Number 7—July 2004
Research
Q Fever Outbreak in Industrial Setting
Hugo C. van Woerden*
, 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*
, 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*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.
