Fig. 2From: Use of processing fluid samples for longitudinal monitoring of PRRS virus in herds undergoing virus eliminationPRRSv RT-qPCR Cq values from processing fluids samples, from 10 to 61 weeks post vaccination. Green crosses represent processing fluids samples, and red dots represent due-to-wean piglet sera. The dotted blue line represents the cut-off for positive and negative. Cq value ≥37 are considered negativeBack to article page