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Table 3 Summary of virus mono-infections having influenza-like illness (ILI), 11 May 2009 to 31 Oct 2012

From: Respiratory viral pathogens among Singapore military servicemen 2009 – 2012: epidemiology and clinical characteristics

Virus

Probability of virusgiven ILI (%) (95% CI)

Probability of having ILIgiven infection, by virus (%) (95% CI)

Influenza A(H1N1)pdm09

16.7 (15.1 to 18.5)

69.3 (64.8 to 73.5)

Influenza A(H1N1)

0.4 (0.2 to 0.8)

80.0 (44.4 to 97.5)

Influenza A(H3N2)

4.2 (3.4 to 5.2)

74.8 (65.5 to 82.7)

Influenza A(Unknown type)

1.4 (0.9 to 2.0)

63.4 (46.9 to 77.9)

Influenza B

17.4 (15.8 to 19.2)

75.3 (71.0 to 79.2)

Coxsackie/Echovirus

7.9 (6.7 to 9.2)

46.6 (41.0 to 52.2)

Enterovirus

0.5 (0.2 to 0.9)

25.7 (12.5 to 43.3)

Rhinovirus

5.1 (4.2 to 6.2)

37.7 (31.8 to 44.0)

Adenovirus B

1.4 (0.9 to 2.0)

89.7 (72.7 to 97.8)

Adenovirus E

3.4 (2.6 to 4.3)

65.0 (54.8 to 74.3)

Adenovirus

0.1 (0.0 to 0.3)

50.0 (1.3 to 98.7)

hMPV

1.9 (1.3 to 2.6)

60.0 (46.5 to 72.4)

Coronavirus 229E

0.6 (0.3 to 1.1)

40.0 (22.7 to 59.4)

Coronavirus HKU1

0.4 (0.2 to 0.8)

41.2 (18.4 to 67.1)

Coronavirus NL63

0.8 (0.5 to 1.4)

47.1 (29.8 to 64.9)

Coronavirus OC43

1.7 (1.2 to 2.4)

38.6 (28.1 to 49.9)

Coronavirus

0.0 (0.0 to 0.2)

0.0 (0.0 to 97.5)

Others†

2.3 (1.6 to 3.0)

43.9 (33.9 to 54.3)

  1. Non-viral aetiologies accounted for 33.9% of the ILIs.
  2. † RSV A, RSV B, Parainfluenza 1, Parainfluenza 2, Parainfluenza 3, Parainfluenza 4, and Bocavirus are pooled as others.