Table 4. Percentages of virus antigen-positive monocytes after infection with FIPV 79-1146 at 4, 12, and 24 hpi for FCoV-seronegative and FCoV-seropositive cats.

Cat ID		Hours post-infection (hpi)
		4 hpi	12 hpi	24 hpi
FCoV-seronegative
	1	-	+ (22.5%)	+ (8.33%)
	2	-	+ (2.86%)	+ (4.55%)
	3	+ (5.21%)	+ (4.11%)	+ (7.12%)
	4	-	+ (3.23%)	-
	5	-	-	-
FCoV-seropositive
	6	+ (3.04%)	+ (1.19%)	+ (4.88%)
	7	-	+ (1.16%)	+ (1.05%)
	8	-	+ (0.877%)	+ (3.26%)
	9	+ (0.826%)	+ (0.385%)	+ (1.47%)
	10	-	-	-
	11	+ (5.59%)	+ (10.6%)	+ (9.79%)
	12	-	+ (0.629%)	-
	13	+ (1.15%)	+ (5.618%)	+ (0.985%)

“-“ indicates no detection, “+” indicates positive detection, and “()” indicates the percentage of virus antigen-positive monocytes.

FIPV, feline infectious peritonitis virus; FCoV, feline coronavirus.