Volume 22, Number 12—December 2016
Dispatch
Detection and Genotyping of Coxiella burnetii in Pigs, South Korea, 2014–2015
Min-Goo Seo, In-Ohk Ouh, Seung-Hun Lee, and Dongmi Kwak
Table
Assay determinations of Coxiella burnetii prevalence among different types of pigs reared in Gyeongsang Province, South Korea, 2014–2015
| Assay | No. positive pigs/no. total* | % Pigs positive (95% CI) |
|---|---|---|
| ELISA | ||
| Breeding pigs | ||
| Farms | 29/101 | 28.7 (19.9–37.5) |
| Pigs | 66/637 | 10.4 (8.0–12.7) |
| Fattening pigs | ||
| Farms | 3/108 | 2.8 (0–5.9) |
| Pigs | 4/393 | 1.0 (0.1–2.0) |
| Subtotal | ||
| Farms | 32/209 | 15.3 (10.4–20.2) |
| Pigs |
70/1,030 |
6.8 (5.3–8.3) |
| IFA | ||
| Breeding pigs | ||
| Phase-1 antigens | 46/637 | 7.2 (5.2–9.2) |
| Phase-2 antigens | 48/637 | 7.5 (5.5–9.6) |
| Phase-1 or -2 antigens | 49/637 | 7.7 (5.6–9.8) |
| Fattening pigs | ||
| Phase-1 antigens | 4/393 | 1.0 (0–2.0) |
| Phase-2 antigens | 4/393 | 1.0 (0–2.0) |
| Phase-1 or -2 antigens | 4/393 | 1.0 (0.1–2.0) |
| Subtotal | ||
| Phase-1 antigens | 50/1,030 | 4.9 (3.5–6.2) |
| Phase-2 antigens | 52/1,030 | 5.0 (3.7–6.4) |
| Phase-1 or -2 antigens |
53/1,030 |
5.2 (3.8–6.5) |
| PCR | ||
| Breed type | ||
| Breeding pigs | 3/645 | 0.5 (0–1.0) |
| Fattening pigs | 0/479 | 0 |
| Sample type | ||
| Blood | 2/1,030 | 0.2 (0–0.5) |
| Tissue | 1/94 | 1.1 (0–3.1) |
| Subtotal | 3/1,124 | 0.3 (0–0.6) |
*Bold indicates significantly different (p<0.05) compared with fattening pigs.
Page created: November 18, 2016
Page updated: November 18, 2016
Page reviewed: November 18, 2016
The conclusions, findings, and opinions expressed by authors contributing to this journal do not necessarily reflect the official position of the U.S. Department of Health and Human Services, the Public Health Service, the Centers for Disease Control and Prevention, or the authors' affiliated institutions. Use of trade names is for identification only and does not imply endorsement by any of the groups named above.