Figure 4From: DNA vaccine constructs against enterovirus 71 elicit immune response in miceDetection of VP1 protein using indirect immunofluorescence assay (IFA). Expression of VP1 protein in transfected vero cells at 48 hours post-transfection was detected by using indirect immunofluorescence assay (IFA). Figure a) shows the EV 71 positive control slide. Figure b) and c) show vero cells transfected with pVAX1/VP1-S and pVAX1/VP1-4, respectively. Figure d) shows vero cells transfected with pVAX1.Back to article page