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Table 2 Incidence in pandemic and non-pandemic years

From: Public health and economic impact of vaccination with 7-valent pneumococcal vaccine (PCV7) in the context of the annual influenza epidemic and a severe influenza pandemic

 

Age group (years)

Annual Incidence of PD per 100,000

0 - <2

2 - 4

5 - 17

18 - 49

50 - 64

65+

Incidence of PD in a non-pandemic year (13% influenza incidence)

   Among persons without influenza

      

Bacteremic pneumonia

173.0

35.4

3.7

12.1

22.5

58.2

Other pneumonia

4,662

1,501

326

379

1,447

9,200

   Among persons with influenza

      

Bacteremic pneumonia

186.3

38.1

4.0

13.1

24.2

62.6

Other pneumonia

5,020

1,616

351

408

1,558

9,906

Incidence of PD in a severe pandemic year (30% influenza incidence)

   Among persons with influenza/a

      

Bacteremic pneumonia

2,898

1,688

600

1,192

1,056

4,166

Other pneumonia

6,954

4,006

1,409

2,814

2,491

10,143

  1. PD = pneumococcal disease
  2. a. The incidence of PD among persons without influenza during a pandemic is assumed to be the same as in a non-pandemic year