Figure 8From: Porcine reproductive and respiratory syndrome virus (PRRSV) infection spreads by cell-to-cell transfer in cultured MARC-145 cells, is dependent on an intact cytoskeleton, and is suppressed by drug-targeting of cell permissiveness to virus infectionTime-course of PRRSV infection in cytochalasin D-treated (1 μm pretreatment) and control MARC-145 cells (A), and relationship of cell-to-cell distance and formation of secondary PRRSV-infected cell clusters (B).Back to article page