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Figure 4 | Veterinary Research

Figure 4

From: A novel porcine reproductive and respiratory syndrome virus vector system that stably expresses enhanced green fluorescent protein as a separate transcription unit

Figure 4

Neutralisation of rHP-PRRSV/SD16/TRS6-EGFP infection. The rHP-PRRSV/SD16/TRS6-EGFP and HP-PRRSV/SD16 viruses were incubated with serial dilutions of either a HP-PRRSV/SD16 antiserum or a negative serum, and then used to infect Marc-145 cells. The EGFP fluorescence and CPE were analysed at 48 h pi using a Leica confocal microscope at a magnification of × 250. Each serum dilution was tested in triplicate.

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