Mild and Asymptomatic Coronavirus Disease in Children, Adolescents, and Household Contacts and Prolonged Viral Excretion

Table 3

SARS-CoV-2 infection among 124 children and adolescents according to their symptom status.

Test	Status	Negative n (%)	Positive n (%)	Total n (%)	value
qRT-PCR	Asymptomatic	8 (34.8)	9 (8.9)	17 (13.7)	0.001
	Symptomatic	15 (65.2)	92 (91.1)	107 (86.3)
IgG	Asymptomatic	5 (25)	12 (15.2)	17 (17.2)	0.299
	Symptomatic	15 (75)	67 (84.8)	82 (82.8)
IgA	Asymptomatic	5 (23.8)	12 (15.6)	17 (17.3)	0.378
	Symptomatic	16 (76.2)	65 (84.4)	81 (82.7)

Chi-square test. n, number of cases; %, percentage; , chi-square test.