Table 3 Participant viral infections

N

% of total

Surveillance collection (N = 410)

 No virus

288

70.2

 Virus

94

22.9

 Single infections

46

11.2

 Multiple infections

4

1.0

 Single infections^a

39

9.5

 Multiple infections

5

1.2

Cold collection (number of pooled samples = 92)

 No virus

55

60.0

 Virus

28

30.4

 Single infections

20

21.7

 Multiple infections

2

2.2

 Single infections^b

6

6.5

 Multiple infections

0

0.0