Table 4.
Contamination by the Jeju LOM strain via exposure during transport to or at a slaughterhouse.
| qRT-PCR | Immuno Histo Chemistry (IHC) Staining | |||||
|---|---|---|---|---|---|---|
| Ct Value (Range) |
Jeju LOM Strain * TCID50 (Log 10) |
Sample no. | Negative Samples | Weak Positive Samples | Strong Positive Samples | ** No Test |
| >40 | <1.0 | 91 | 43 | 48 | ||
| 36.1–39.9 | 1.0–2.0 | 26 | 9 | 1 | 16 | |
| 30.5–36.0 | 2.0–3.0 | 21 | 4 | 8 | 9 | |
| 26.7–30.4 | 3.0–4.0 | 92 | 12 | 22 | 3 | 55 |
| 24.4–26.6 | 4.0–5.0 | 11 | 1 | 9 | 1 | |
| <24.3 | >5.0 | 1 | 1 | |||
* TCID50: Tissue culture infective dose 50. ** No test: samples were inoculated PK-15 cells but IHC was not performed due to contamination by bacteria.