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Table 2 Numbers of influenza A and B patients and their incidence by age group

From: Geodemographics profiling of influenza A and B virus infections in community neighborhoods in Japan

  

2004/05 Season

2005/06 Season

2006/07 Season

2007/08 Season

Age Group

(yr)

Population

No.

No.

patients

II

(%)

No.

patients

II

(%)

No.

patients

II

(%)

No.

patients

II

(%)

Virus Type A

         

   < 5

5,553

368

6.6

702

12.6

452

8.1

458

6.6

   5-9

5,857

433

7.4

772

13.2

787

13.4

794

7.4

   10-14

6,263

271

4.3

462

7.4

581

9.3

466

4.3

   15-64

73,365

560

0.8

1,348

1.8

1,441

2.0

1,117

0.8

   ≥65

21,858

54

0.2

97

0.4

103

0.5

53

0.2

   Total

112,901

1,686

1.5

3,381

3.0

3,364

3.0

2,888

1.5

Virus Type B

         

   < 5

5,553

569

10.2

2

0.0

165

3.0

40

0.7

   5-9

5,857

743

12.7

3

0.1

569

9.7

70

1.2

   10-14

6,263

219

3.5

4

0.1

803

12.8

18

0.3

   15-64

73,365

1,287

1.8

16

0.0

436

0.6

45

0.1

   ≥65

21,858

142

0.6

0

0.0

11

0.1

4

0.0

   Total

112,901

2,960

2.6

25

0.0

1,984

1.8

177

0.2

  1. Population No., Number of people in the study area. No.patients, Number of patients in the study area each season.
  2. II, Influenza incidence in the study area.