Table 1.

Distribution of SARS-CoV-2 lineages according to different age groups

SARS-CoV-2 variant (number, %)	Age (years)	number of variants in each group	% of variant in each group (%)	p-value (Kruskal–Wallis)
A (n = 3; 0.3%)	≤ 18	0	0.0	not possible
	19–40	2	66.6
	41–55	1	33.3
	≥ 56	0	0.0
AY (n = 46, 4.7%)	≤ 18	3	6.5	< 0.0001
	19–40	29	63.0
	41–55	8	17.4
	≥ 56	6	13.0
B (n = 17, 1.8%)	≤ 18	7	41.2	0.0029
	19–40	7	41.2
	41–55	2	11.8
	≥ 56	1	5.9
B.1 (n = 8, 0.8%)	≤ 18	3	37.5	0.0933
	19–40	3	37.5
	41–55	1	12.5
	≥ 56	1	12.5
BA.1 (n = 164, 16.9%)	≤ 18	16	9.75	< 0.0001
	19–40	71	43.2
	41–55	30	18.2
	≥ 56	47	28.6
BA.2 (n = 305, 31.5%)	≤ 18	36	11.8	< 0.0001
	19–40	146	47.9
	41–55	57	18.7
	≥ 56	66	21.6
BA.4 (n = 35, 3.6%)	≤ 18	5	14.3	< 0.0001
	19–40	16	45.7
	41–55	8	22.9
	≥ 56	6	17.1
BA.5 (n = 392, 40.4%)	≤ 18	41	10.5	< 0.0001
	19–40	199	50.8
	41–55	68	17.3
	≥ 56	84	21.4

The age-group wise SARS-CoV-2 variants frequency is presented. The Kruskal–Wallis test was used to study association between the age groups, p-value ≤ 0.05 was considered significant