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

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

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