Table 2.
Summary of the clinical scores and fecal viral shedding of pigs after challenge with the 1000 median PDD50 cell culture-adapted CH/XJYN/2016 P6.
| dpia | Group 1b (n = 5) |
Group 2c (n = 5) |
Mock control groupd (n = 3) |
|||
|---|---|---|---|---|---|---|
| NPe | CSf | NP | CS | NP | CS | |
| 0 | 0/5 | 0 | 0/5 | 0 | 0/3 | 0 |
| 1 | 0/5 | 0 | 0/5 | 1 | 0/3 | 1−3 |
| 2 | 0/5 | 0 | 0/5 | 1 | 3/3 | 2−3 |
| 3 | 0/5 | 1 | 0/5 | 0 | 3/3 | 2−3 |
| 4 | 0/5 | 1 | 0/5 | 0 | 3/3 | 2 |
| 5 | 0/5 | 0 | 0/5 | 0 | 3/3 | 1−2 |
| 6 | 0/5 | 0 | 0/5 | 1 | 0/3 | 0 |
| 7 | 0/5 | 0 | 0/5 | 0 | 0/3 | 0 |
a
Days postinoculation.
b
Pigs were vaccinated with the inactivated vaccine with Imject™ Alum Adjuvant.
c
Pigs were vaccinated with the inactivated vaccine with 206 adjuvant.
d
Piglets in the mock control group were inoculated orally with 3 mL of PBS.
e
Number of PDCoV-positive piglets (NP), determined by RT-PCR.
f
Clinical score for fecal consistency, as follows: 0 = normal; 1 = pasty; 2 = semiliquid; and 3 = liquid.