Volume 11, Number 4—April 2005
Dispatch
Coxiella burnetii in Bulk Tank Milk Samples, United States
Table 1
Prevalence of Q fever in bulk tank milk of U.S. dairy herds (2001–2003)
| Year | State | No. of samples | Positive (%) | Negative (%) |
|---|---|---|---|---|
| 2001 | New York State | 20 | 18 (90.0) | 2 (10.0) |
| Other states* | 24 | 23 (95.8) | 1 (4.2) | |
| Subtotal | 44 | 41 (93.2) | 3 (6.8) | |
| 2002 | New York State | 61 | 58 (95.1) | 3 (4.9) |
| Other states* | 60 | 56 (93.3) | 4 (6.7) | |
| Subtotal | 121 | 114 (94.2) | 7 (5.8) | |
| 2003 | New York State | 43 | 40 (93.0) | 3 (7.0) |
| Other states* | 108 | 103 (95.4) | 5 (4.6) | |
| Subtotal | 151 | 143 (94.7) | 8 (5.3) | |
| Total |
316 |
298 (94.3) |
18 (5.7) |
|
| *CA, CT, CO, IL, IN, MA, MD, MI, MN, MO, NC, OH, PA, UT, VA, VT, WA, WI. | ||||


