Table 2.
Number of CPE positive replicates for BTY, IB-RS-2, and LFBK-αVβ6 post-inoculation with porcine samples received from Hong Kong (n = 26).
| Sample reference | BTY | IB-RS-2 | LFBK-αVβ6 | FMDV 3D CT values |
|---|---|---|---|---|
| HKN 5/2017* | 0/5 | 0/5 | 1/4 | 28.68 |
| HKN 2/2018* | 0/5 | 0/5 | 0/5 | 25.57 |
| HKN 3/2018* | 0/5 | 0/5 | 0/5 | 20.22 |
| HKN 4/2018* | 0/5 | 0/5 | 2/5 | 25.72 |
| HKN 7/2018* | 0/5 | 0/5 | 0/5 | 32.91 |
| HKN 9/2018* | 0/5 | 0/5 | 0/5 | 28.30 |
| HKN 10/2018 | 0/5 | 0/5 | 0/5 | 27.91 |
| HKN 11/2018 | 0/5 | 0/5 | 5/5 | 21.53 |
| HKN 12/2018 | 0/5 | 0/5 | 3/5 | 38.37 |
| HKN 13/2018 | 0/5 | 5/5 | 5/5 | 24.94 |
| HKN 14/2018 | 0/5 | 0/5 | 5/5 | No CT |
| HKN 15/2018 | 0/5 | 0/5 | 5/5 | 33.94 |
| HKN 16/2018 | 0/5 | 0/5 | 5/5 | 34.51 |
| HKN 17/2018 | 0/5 | 0/5 | 4/5 | 39.08 |
| HKN 18/2018 | 0/5 | 0/5 | 3/5 | 32.92 |
| HKN 19/2018 | 0/5 | 0/5 | 0/5 | 35.89 |
| HKN 20/2018 | 0/5 | 5/5 | 5/5 | 18.83 |
| HKN 21/2018 | 0/5 | 1/5 | 5/5 | 34.43 |
| HKN 22/2018 | 0/5 | 0/5 | 0/5 | 36.35† |
| HKN 23/2018 | 0/5 | 5/5 | 5/5 | 22.71 |
| HKN 1/2019 | 0/5 | 2/5 | 4/4 | 33.05 |
| HKN 2/2019 | 0/5 | 0/5 | 4/4 | 35.99 |
| HKN 4/2019 | 0/5 | 0/5 | 4/4 | 33.02 |
| HKN 5/2019 | 0/5 | 0/5 | 4/4 | No CT |
| HKN 6/2019 | 0/5 | 0/5 | 3/4 | 34.76 |
| HKN 7/2019 | 0/5 | 0/5 | 4/4 | 36.36† |
Samples were received to the WRLFMD between 2017 and 2019. All isolated viruses were confirmed as O/CATHAY topotype by VP1 sequencing. FMDV 3D qRT-PCR CT values are included for comparison and are an average of two replicates.
*
LFBK-αVβ6 inoculated independently from BTY and IB-RS-2 cells.
†
Sample provided a CT value in only one replicate.