Table 2 Descriptive results of the influenza-like illness surveillance during three influenza seasons in Tunisia, 2012–2015
From: Evaluation of the influenza-like illness surveillance system in Tunisia, 2012–2015
2012–2013 | 2013–2014 | 2014–2015 | Total | |
|---|---|---|---|---|
Number of outpatients | 2.023.942 | 2.196.715 | 2.165.964 | 6.386.621 |
Number of ILI cases | 170.623 | 156.513 | 158.085 | 485.221 |
Samples tested | 924 | 514 | 1038 | 2476 |
Proportion of positive samples for Influenza (%) | 37.4 | 12.1 | 28.0 | 27.6 |
Virus A(H3N2) (%) | 6.1 | 96.8 | 15.5 | 18.4 |
Virus A(H1N1) pdm2009 (%) | 50.1 | 1.6 | 39.2 | 42.9 |
Virus B (%) | 38.3 | 1.6 | 45.3 | 38.7 |
Unsubtyped viruses (%) | 5.5 | / | / | / |