Table 4.

Feline panleukopenia virus (FPV) DNA viral copy numbers for fecal samples from clinically affected shelter cats with negative, weak positive and positive SNAP test results

		FPV PCR DNA viral copy number
SNAP result	n	Median	IQR	Range
Negative	90	0.0	0.0–3.51 × 10³	0.0–1.53 × 109
Weak positive	8	6.60 × 108	2.01 × 108 to 1.67 × 109	8.02 × 105 to 5.99 × 109
Positive	4	3.54 × 109	8.62 × 108 to 8.94 × 109	9.23 × 107 to 1.06 × 10¹0

PCR = feline panleukopenia real-time PCR test; SNAP = IDEXX CPV SNAP Parvo Test; IQR = interquartile range