Volume 10, Number 7—July 2004
Dispatch
Q Fever Outbreak in Homeless Shelter
Table
Homeless persons positive for Coxiella burnetii phase II antibodies greater than 1:50 compared to controlsa
Positive serologic test results for Q fever, positive/tested (%) | |||||
---|---|---|---|---|---|
Group |
2000 |
2001 |
2002 |
2003 |
|
Shelter A residents |
17/157 (10.8)b |
0/96 (0)b |
1/182 (0.54)b |
7/129 (5.4) |
|
Shelter B residents |
2/104 (0.01) |
0/75 (0) |
0/114 (0) |
0/73(0) |
|
Controls | 14/460 (3)a | NA | NA | NA |
aNA, not applicable.
bp < 0.001.