Establishment and Characterization of a High and Stable Porcine CD163-Expressing MARC-145 Cell Line

Table 1

PRRSV isolation rate of MARC-145 cells and pCD163-MARC cells.

Clinical PRRSV positive samples	PRRSV isolation rate
	MARC-145	pCD163-MARC
Jun 1, 2012–Dec 31, 2012,; 59 samples	88.1% (52/59)	100% (59/59)
Jan 1, 2013–Dec 31, 2013,; 96 samples	86.5% (83/96)	100% (96/96)
Jan 1, 2014–Dec 31, 2014,; 103 samples	86.4% (89/103)	99.0% (102/103)
Jan 1, 2015–Dec 31, 2015,; 106 samples	85.8% (91/106)	99.1% (105/106)
Jan 1, 2016–Dec 31, 2016,; 112 samples	85.7% (96/112)	98.2% (110/112)
Total PRRSV isolation rate	86.3% (411/476)	99.2% (472/476)