Skip to main content

Table 1 Participation to Influenzanet in the 2011/2012 season

From: The representativeness of a European multi-center network for influenza-like-illness participatory surveillance

Influenzanet country

No. registered individuals

No. active** participants

% active in sample

No. active in country (per 100,000)

BE

4,362

3,915

90%

56.7

FR*

3,936

3,044

77%

6.2

IT

2,283

1,266

55%

2.1

NL

14,479

12,699

88%

76.2

PT

1,410

1,075

76%

10.2

SE*

2,657

1,676

63%

17.8

UK

2,547

1,806

71%

2.9

Influenzanet

31,674

25,481

80%

8.0

  1. *first season.
  2. **an active participant is defined as having filled at least three weekly symptoms surveys; it is also referred in the article simply as participant (see main text).
Back to article page

BMC Public Health

ISSN: 1471-2458

Contact us