From: Risk factors for porcine reproductive and respiratory syndrome virus infection and resulting challenges for effective disease surveillance
Vaccinated (n=30)
Non-vaccinated (n=16)
ELISA
PCR
N (%)
-growers
6 (20.0)
19 (63.3)
5 (31.2)
-finishers
14 (46.7)
8 (26.7)
3 (18.8)
-growers + finishers
10 (33.3)
3 (10.0)
8 (50.0)