Twelve years' detection of respiratory viruses by immunofluorescence in hospitalised children: impact of the introduction of a new respiratory picornavirus assay

Table 1 Proportion (%) of positive DFA results in nasopharyngeal aspirates by virus and by year, 1998-2010

Epidemiogical years	98/99	99/00	00/01	01/02	02/03	03/04	04/05	05/06	06/07	07/08	08/09	09/10	1998- 2010	1998- 2006	2006- 2010
ADV	3	3	3	3	1	2	4	4	3	2	2	3	3
RSV	32	15	32	12	31	15	26	13	26	15	23	12	21
IFA	7	12	2	6	4	6	6	0.2	3	2	3	2	4
IFB	2	0	0	2	1	0	0.1	2	0	0.2	0.4	0	0.6
PIV	5	4	5	3	4	6	3	2	2	3	4	4	4
hMPV									0.2	4	1	8	3
Picorna								2	24	26	33	28	27
Total	49	34	43	26	41	29	38	24	57	53	66	57	44	35	58
Summer	28	16	15	10	24	20	8	4	48	48	63	43		16	52
Winter	58	42	58	34	41	40	64	33	60	60	70	68		46	65

An epidemiological year lasts from May 1st to April 30th of the following year
ADV = adenovirus; RSV = respiratory syncytial virus; IFA = influenza A; IFB = influenza B; PIV = parainfluenza viruses 1-3;
hMPV = human metapneumovirus; picorna = respiratory picornaviruses

ISSN: 1471-2334