Fig. 5From: Whole-genome sequencing and genetic characteristics of representative porcine reproductive and respiratory syndrome virus (PRRSV) isolates in KoreaSchematic diagrams of PRRSV2 epidemiology in Korean pig herds. The top illustration shows the timeline of PRRSV2 epidemiology in Korea based on previous reports. The bottom illustration indicates the spreading of each lineage and recombination eventBack to article page