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Table 3 Influenza- like illness outbreaks in NH40 and in NH15

From: Influenza-like illness outbreaks in nursing homes in Corsica, France, 2014–2015: epidemiological and molecular characterization

 

NH40

NH15

Number of residents (N)

20

72

Number of HCWsa (N)

NA

52

Residents influenza vaccination coverage 2014–2015 % (N)

95 % (19)

53 % (38)

HCWs influenza vaccination coverage 2014–2015 % (N)

NA

3.8 % (2)

 

Outbreak 1

Outbreak 2

Outbreak 3

Week(s) of outbreak

w05/2015

w06/2015

w09/2015–w13/2015

Attack rate among residents  % (N)

65 % (13/20)

11 % (8/72)

16.6 % (12/72)

Number of ILIb residents with a nasopharyngeal sample

6

4

9

ILI residents positives to at least one pathogen  % (N)

50 % (3/6)

25 % (1/4)

78 % (7/9)

Pathogen detected in residents

A(H3N2)

human metapneumovirus

A(H3N2)

Number of influenza-related hospitalization

1

0

0

Number of influenza- related death

0

0

2

Number of HCWs with a nasopharyngeal sample

0

0

1

HCW with influenza A(H3N2)

0

0

1

  1. NA not available
  2. aHealth care workers
  3. bInfluenza-like illness