| Inoculated pigs | Within-pen contact pigs | Between-pen contact pigs |
---|---|---|---|
Samples | Infectious period* | ||
Blood †| 3.5 (± 1.3) | 2.4 (± 1.2) | 2.3 (± 0.9) |
Blood ‡ | 4.7 (± 1.4) | 2.4 (± 0.7) | 3.0 (± 1.2) |
Oral swab †| 3.2 (± 1.2) | 4.8 (± 1.5) | 7.7 (± 3.3) |
Nasal swab †| 2.9 (± 1.3) | 5.0 (± 2.3) | 5.4 (± 1.4) |
Rectal swab †| 3.4 (± 1.2) | 3.8 (± 2.3) | 5.7 (± 1.7) |