Table 1

Associations among nine respiratory pathogens in 316 ARTI children

Pathogens detected

Number

% of total no. of episodes

% of positive episodes

Single infection

50

15.8

30.5

Coinfection, two pathogens

52

16.5

31.7

Flu A + Flu B

34

10.8

Flu-A + Adv

3

0.9

Adv + PIV 3

3

0.9

CP + MP

2

0.6

PIV 1 + PIV 2

2

0.6

MP + Adv

2

0.6

Adv + Flu B/RSV

1/1

0.3/0.3

MP + Flu A/Flu B/RSV/PIV3

1/1/1/1

0.3/0.3/0.3/0.3

Coinfection, three pathogens

37

11.7

22.6

Flu A + Flu B + Adv

20

6.3

Flu A + Flu B + MP

6

1.9

Adv + MP + CP

2

0.6

Flu A + Adv + MP

3

0.9

Flu B + Adv + MP

1

0.3

Flu A + MP + CP

1

0.3

Flu B + PIV 2 + PIV 1

1

0.3

MP + CP + RSV

1

0.3

Flu A + Flu B + PIV 2/PIV 1

1/1

0.3/0.3

Coinfection, four pathogens

14

4.4

8.5

Adv + MP + Flu A + Flu B

5

1.6

Adv + MP + CP + PIV 3

2

0.6

Adv + Flu A + Flu B + PIV 3/RSV

2/1

0.6/0.3

Adv + CP + Flu A + Flu B

1

0.3

Adv + CP + PIV 1 + PIV 2

1

0.3

Adv + MP + PIV 1 + PIV 3

1

0.3

MP + PIV 1 + Flu A + Flu B

1

0.3

Coinfections, five pathogens

9

2.8

5.5

Adv + MP + Flu A + Flu B + PIV 3/PIV 1/CP

2/1/1

0.6/0.3/0.3

Adv + CP + MP + PIV 1 + PIV 2

1

0.3

Adv + PIV 1 + PIV 2 + PIV 3 + Flu B

1

0.3

CP + MP + Flu A + Flu B + PIV 3

1

0.3

Adv + CP + MP + RSV + Flu A/Flu B

1/1

0.3/0.3

Coinfections, six pathogens

2

0.6

1.2

Adv + Flu A + Flu B + PIV 3 + MP + CP

1

0.3

Adv + Flu A + Flu B + PIV 3 + PIV 1 + PIV 2

1

0.3

Total number of coinfections

114

36.1

69.5

Total number of episodes with pathogens detected

164

51.9

No pathogen detected

152

48.1

Total number of episodes

316

Peng et al. Virology Journal 2009 6:155   doi:10.1186/1743-422X-6-155