Table 1.

Serum samples from healthy negative individuals, asymptomatic positives, and symptomatic COVID-19 patients.

	SARS-CoV-2 negative individuals (Neg)	SARS-CoV-2 positive asymptomatic patients (Pos)	Symptomatic patients (COVID-19)
Total number of serum samples	130	134	131
Sex (male:female:Unk)	50:80:0	56:70:8	44:48:39
Age range, years	17–85	16–76	20–94
Mean age, years (SD)	46.4 (15.6)	45.8 (16.1)	50.8 (17.6)
Race (W:B:A:Unk)	112:2:1:14	90:9:4:18	55:28:0:5
Hispanic or Latino	1	13	6

White (W), Caucasian/European; Black (B), African American/African; Asian (A); Unk (unknown); SD standard deviation.