Coinfection

Frequency

Percentage

Overall

86

39.8

Single pathogen coinfection

57

66.27

Multiple pathogen coinfection

29

33.72

Mycoplasma pneumoniae

39

18.1

Influenza virus B

36

16.7

Influenza virus A

30

13.9

Cytomegalovirus

7

3.2

Chlamydia pneumoniae

6

2.8

Adenovirus

4

1.9

Legionella pneumoniae

4

1.9

Parainfluenza virus

3

1.4

Respiratory syncytial virus

1

0.5