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Table 1 Influenza positive swabs by subtype, year and strain, 2007-2008

From: Estimation of type- and subtype-specific influenza vaccine effectiveness in Victoria, Australia using a test negative case control method, 2007-2008

Influenza subtype and strain 2007 (%) 2008 (%)
A/H1N1   
   A/Solomon Islands/3/2006-likeb 21 (43) 0
   A/New Caledonia/20/99-likea 0 0
   Not recovered/no result 28e (57) 4 (100)
   Total 49 (100) 4 (100)
A/H3N2   
   A/Brisbane/10/2007-likeb 12 (9) 4 (10)
   A/Wisconsin/67/2005-likea 10 (8) 0
   Not recovered/no result 108e (83) 38 (90)
   Total 130 (100) 42 (100)
A/subtype not specified 8 6
B   
   B/Florida/4/2006-likeb 2 (5) 1 (2)
   B/Malaysia/2506/2004-likea 3c (8) 1 (2)
   B/Shanghai/361/2002-like 2d (5) 0
   Not recovered/no result 30 (81) 63 (97)
   Total 37 (100) 65 (100)
  1. a 2007 vaccine strain
  2. b 2008 vaccine strain
  3. c includes 1 low reactor isolate
  4. d includes 2 low reactor isolates
  5. e 1 case positive for A/H1N1 and A/H3N2
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