Table 6.

Assay comparison with titer presentation of positive serum samples.

	COVID-19 SIA		Orient Gene Rapid Test *		WANTAI ELISA
Sample #	IgM	IgG	IgM	IgG	Total Ab
1	1:2500	1:2500	1:50	1:10	1:6250
2	1:500	1:100	1:10	1:10	1:250
3	1:100	1:2500	1:1	1:10	1:250
4	1:2500	≥1:12,500	1:50	1:50	1:6250
5	1:2500	1:500	1:50	1:10	1:1250
6	1:100	1:12,500	1:10	1:10	1:250
7	1:12,500	1:12,500	1:50	1:50	1:6250
8	1:100	1:2500	1:10	1:10	1:50
9	1:2500	1:12,500	1:10	1:10	1:6250
10	1:12,500	1:12,500	1:50	1:50	1:6250
11	1:62,500	1:12,500	1:50	1:50	1:6250

Ig, immunoglobulin; Ab, antibodies; COVID-19, Coronavirus disease 2019; SIA, suspension immunoassay; * Additional 1:17 dilution (5 μL serum and 80 μL buffer during analysis). # Study seropositivity = 26.6% (76/286); #, number.