Molecular Characterization of Norovirus Strains Isolated from Older Children and Adults in Impoverished Communities of Vhembe District, South Africa

Table 1

Demographic profile (age and sex distribution) of norovirus strains detected in older children and adult patients living in rural communities of the Vhembe district, Limpopo province.

Age of patients (years)	No of stool samples collected (%)	Sex of patients		No of stool samples positive for NoV (%)	Sex of positive NoV samples (%)		Clinical symptoms in positive samples				Stool type of positive samples
		Male	Female		Male	Female	Diarrhoea only	Diarrhoea and vomiting	Diarrhoea and APC	Diarrhoea and other symptoms	Watery	Formed	Soft
5–10	17/80 (21%)	13	4	5/17 (29%)	3	2	0	0	1	4	1	2	2
11–18	16/80 (20%)	9	7	1/16 (6%)	0	1	1	0	0	0	1	0	0
19–21	3/80 (4%)	1	2	0/3 (0%)	0	0	0	0	0	0	0	0	0
22–30	7/80 (9%)	2	5	0/7 (0%)	0	0	0	0	0	0	0	0	0
31–40	14/80 (18%)	3	11	1/14 (7%)	0	1	0	0	0	1	0	0	1
41–50	11/80 (14%)	3	8	2/11 (18%)	0	2	0	0	2	0	2	0	0
≥50	12/80 (15%)	1	11	4/12 (33%)	0	4	1	0	2	1	2	0	2
Total	80/80 (100%)	32	48	13/80 (16%)	3	10	2	0	5	6	6	2	5

APC, abdominal pain cramp; NoV, norovirus.