. 2020 May 21;6(4):846–853. doi: 10.1002/vms3.282

Table 1.

Experimental design and means (with standard deviation) of lung lesion score in pigs from various groups with 7 and 10 days post challenge (dpc)

Groups	PRRSV		dpc	Lung lesion score
Groups	Vaccination (28 days)	Challenge (63 days)	dpc	Macroscopic	Microscopic
Vac1A/Ch1−2	Porcilis PRRS	PRRSV−1 & −2	7	63.17±12.01^a	3.25±0.42^a
			14	46.67±10.33^a	2.5±0.55^a
Vac1B/Ch1−2	UNISTRAIN PRRS	PRRSV−1 & −2	7	64.17±10.21^a	3.33±0.52^a
			14	48.33±9.83^a	2.67±0.82^a
Vac2A/Ch1−2	Ingelvac PRRS MLV	PRRSV−1 & −2	7	32.5±7.58^b	2.42±0.49^b
			14	23.33±15.38^b	1.42±0.49^b
Vac2B/Ch1−2	Fostera PRRS	PRRSV−1 & −2	7	33.33±8.76^b	2.33±0.52^b
			14	24.17±11.58^b	1.33±0.52^b
UnVac/Ch1−2	None	PRRSV−1 & −2	7	63.33±10.33^a	3.83±0.41^a
			14	53.33±10.33^a	3±0.63^a
UnVac/UnCh	None	None	7	0.83±2.04^c	0.17±0.41^c
			14	0^c	0.17±0.41^c

Different letters (a, b and c) at days post challenge indicate significant differences among groups.