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Table 1 Countries included in the analyses and description of data used

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

Countries

Data reported to EuroFlu

Data used in the analyses

Age specific data

N of seasons available*

N of seasons included **

Albania

ARI

ARI

no

7

7

Austria

ARI & ILI

ILI

yes

6

5

Belgium

ARI & ILI

ILI

yes

7

7

Czech Republic

ARI & ILI

ARI

yes

7

6

Denmark

ILI

ILI

yes

7

7

England

ARI & ILI

ILI

incomplete

7

6

Estonia

ARI &ILI

ILI

yes

5

4

France

ARI

ARI

yes

7

7

Germany

ARI

ARI

yes

7

6

Greece

ILI

ILI

no

5

5

Hungary

ILI

ILI

yes

5

5

Ireland

ILI

ILI

yes

7

7

Italy

ILI

ILI

incomplete

7

7

Kyrgyzstan

ARI

ARI

no

5

4

Latvia

ARI & ILI

ARI

yes

7

7

Netherlands

ILI

ILI

yes

7

7

Northern Ireland

ARI & ILI

ILI

yes

7

6

Norway

ILI

ILI

yes

5

5

Poland

ILI

ILI

yes

7

7

Portugal

ILI

ILI

yes

7

6

Russian Federation

ARI & ILI

ARI

yes

6

6

Serbia

ILI

ILI

yes

4

4

Slovakia

ARI & ILI

ILI

yes

7

7

Slovenia

ARI ILI

ILI

yes

7

7

Spain

ILI

ILI

yes

7

7

Sweden

ILI

ILI

no

5

5

Switzerland

ILI

ILI

no

7

7

Ukraine

ARI & ILI

ARI

no

7

7

  1. ILI: Influenza like illness; ARI: Acute respiratory infection
  2. * Availability of epidemiological data in EuroFlu from season 2003-04 onwards
  3. ** depends on reporting of data by countries to EuroFlu and the presence of an outbreak with a clearly defined peak in a given season