FIGURE 2.

Detection of NSP7α, NSP7β expression in PRRSV-infected cells. MARC-145 cells were fixed at 8, 16, 24, 48, and 72 hpi and, respectively, stained with antisera against NSP7α (A) and NSP7β (B). The fluorescence images were captured on a confocal microscope (Nikon, Japan).