Age group [years]	OC43 RT-qPCR
Age group [years]	Negative	[%]	Positive	[%]	Total	[%]
0 - 30	15	[19.0]	1	[1.3]	16	[20.3]
31 - 60	18	[22.8]	2	[2.5]	20	[25.3]
61 - 100	42	[53.2]	1	[1.3]	43	[54.4]
Total	75	[94.9]	4	[5.1]	79	[100.0]