Table 2.

The positive ratio of anti-SARS-CoV-2 IgG and IgM antibodies detected by three different ELISA kits

	1~5 days	6~10 days	11~15 days	16~20 days	21 days~
IgM
AllTest	0/1 (0.00)	0/10 (0.00)	5/17 (0.25)	2/9 (0.22)	2/6 (0.33)
Orient Gene		3/10 (0.30)	18/19 (0.95)	9/9 (1.00)	6/6 (1.00)
INNOVITA	0/1 (0.00)	2/10 (0.20)	16/19 (0.84)	9/9 (1.00)	6/6 (1.00)
IgG
AllTest	0/1 (0.00)	2/10 (0.20)	15/17 (0.88)	9/9 (1.00)	6/6 (1.00)
Orient Gene		5/10 (0.50)	17/18 (0.94)	9/9 (1.00)	6/6 (1.00)
INNOVITA	0/1 (0.00)	3/10 (0.30)	17/19 (0.89)	9/9 (1.00)	6/6 (1.00)