Table 1.

The number of case and control samples tested in specific and nonspecific virus tests

Herd	Day	Case animals (n)	Control animals (n)
1	3	7a	6
	5	6	7
2	4	2	2
	5	6	6
	7	3	4
3	4	8	7
	6	6	6
4	3	8	6
	5	0	2
Summary		46	46

^a: One sample was not tested by pan-corona PCR