Table 3.

Person-years during periods of elevated activity per age group for the total population, high-risk group and low-risk group.

Age group	Influenza	RSV	Peri-season	Summer
Total population
0–1	11499	13452	28651	33044
2–4	17248	20177	42977	49566
5–19	86692	100726	213531	246961
20–49	238725	277212	589120	680702
50–54	32349	37811	80150	92574
55–59	27200	32184	67792	78353
60–64	20977	24538	51696	59863
65+	66848	77534	164202	190012
High-risk group
0–1	393	454	970	1118
2–4	668	774	1662	1914
5–19	2785	3246	6882	7954
20–49	10871	12823	27188	31349
50–54	4047	4795	10180	11726
55–59	4838	5830	12331	14187
60–64	5243	6210	13052	15089
65+	30724	36035	76397	88201
Low-risk group
0–1	11106	12998	27681	31926
2–4	16581	19403	41315	47652
5–19	83907	97480	206650	239007
20–49	227853	264389	561932	649353
50–54	28301	33015	69970	80848
55–59	22362	26354	55461	64166
60–64	15734	18328	38644	44774
65+	36124	41499	87806	101811