Table 2 Distribution of number of samples collected and influenza positivity rate by year, Togo, April 2010-December 2012
From: Implementation of Influenza-like illness Sentinel Surveillance in Togo
Subtypes of influenza A | |||||||
|---|---|---|---|---|---|---|---|
Years | Total n | Positive cases n (%) | Influenza B n (%) | Influenza A n (%) | A/H3N2 n (%) | A(H1N1) pdm09 n (%) | A/Unsubtypeable n (%) |
April to December 2010 | 87 | 28 (32.2) | 3 (3.4) | 25 (28.7) | 3 (3.4) | 21 (24.1) | 1 (1.1) |
2011 | 335 | 88 (26.3) | 49 (14.6) | 39 (11.6) | 17 (5.1) | 20 (5.9) | 2 (0.6) |
2012 | 533 | 120 (22.5) | 48 (9.0) | 72 (13.5) | 51 (9.5) | 21 (3.9) | 0 (0.0) |
Total | 955 | 236 (24.7) | 100 (10.5) | 136 (14.2) | 71(7.4) | 62 (6.5) | 3 (0.3) |