TABLE 2.

Positive rate of IgM or IgG antibodies against SARS‐CoV‐2 in non‐COVID‐19 and COVID‐19 patients

Groups	n	IgM+ (%)	IgG+ (%)	IgM+ or IgG+ (%)
COVID‐19:0–7	30	36.67	63.33	66.67
COVID‐19:8–14	35	62.86	85.71	85.71
COVID‐19:15–21	51	88.24	94.12	100
COVID‐19:22–39	36	86.11	94.44	97.22
Non‐COVID‐19	197	2.03	6.60	8.12