TABLE 6.

Results of the N protein and IgG antibody of SARS-CoV assays for sera from four patients during the recurrence of SARS in Guangzhou

Patient no.a	Days after onset of symptoms	Results of N protein detection	Results of SARS-CoV IgG detection
1 (12/16/2003)	6	+	+
	8	−	+
	10	−	+
	12	−	+
2 (12/26/2003)	6	+	−
	7	+	+
	8	+	+
	19	−	+
	10	−	+
	11	−	+
3 (12/30/2003)	9	+	+
	10	−	+
	11	−	+
4 (1/8/2004)	16	−	+
	17	−	+
	22	−	+

^aThe date of the onset of symptoms is given after the patient number in month/day/year format.