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Table 2 Spread of pandemic (H1N1) virus in WHO European Region during 2008-09, 2009-2010, and 2010-2011 influenza seasons

From: The community impact of the 2009 influenza pandemic in the WHO European Region: a comparison with historical seasonal data from 28 countries

Season

W-E R2

S-N R2

N of countries †

2010-2011

   

Western part of the WHO European region §

0.244*

0.040

36

Western and central parts of WHO European region ‡

0.080

0.030

45

WHO European region

0.002

0.000

51

2009-2010

   

Western part of the WHO European region §

0.282*

0.037

26

Western and central parts of WHO European region ‡

0.088

0.043

30

WHO European region

0.001

0.051

35

2008-2009

   

Western part of the WHO European region §

0.731*

0.000

25

Western and central parts of WHO European region ‡

0.852*

0.020

34

WHO European region

0.330*

0.002

39

  1. † Federal districts in the United Kingdom and the Russian Federation referred as separate countries in this analysis
  2. *significant at 0.05 level
  3. W-E west to east spread; S-N south to north spread; R2: squared correlation coefficient
  4. § countries located before longitude line of 30 degrees east
  5. ‡ countries located before longitude line of 60 degrees east