Table 5 Incidence of admission to a Kenyan district hospital with “severe pneumonia” or “very severe pneumonia” and viruses identified by polymerase chain reaction of nasal wash

Denominator

9,423 births

8,837

44,538

104,505

per 1,000 live births

per 100,000 children/y

‘Severe’ or ‘very severe’ pneumonia

6.65

4,798

1,674

543

1,522

99

681

Any respiratory virus

3.79

2,993

871

213

862

36

380

Respiratory syncytial virus

2.46

2,038

455

85

535

15

233

Human coronavirus 229E

0.51

318

135

32

105

3

46

Influenza A

0.31

244

97

32

82

15

39

Human parainfluenza virus

0.10

212

48

11

57

6

26

Adenovirus

0.10

149

77

21

55

9

26

Human metapneumovirus

0.20

138

58

11

44

6

21