Table 2.

SARS‐CoV‐2® Test antibodies response according to days after RNA confirmation and clinical severity

	Days after RNA (DR) for SARS‐CoV‐2
	All	1–7	8–13	14–31	≥32
No. samples	218	86	22	59	51
No. positive for IgG (%)	178 (82)	78 (91)	21 (96)	51 (86)	28 (55)
No. positive for IgA (%)	105 (48)	65 (76)	12 (55)	27 (46)	1 (2)
	All	Asymptomatic	Mild	Moderate	Severe
No. samples	218	42	56	25	95
No. positive for IgG (%)	178 (82)	25 (60)	34 (61)	24 (96)	95 (100)
No. positive for IgA (%)	105 (48)	2 (5)	8 (9)	11 (44)	84 (88)

Note: Percentage of samples by days after RNA according to test result (one spot or more ≥70 Virachip® units for IgG and two spots or more for IgA).

Abbreviation: SARS‐CoV‐2, severe acute respiratory syndrome coronavirus 2.