Table 2 Annual variation in influenza types/subtypes and estimated annual influenza- and respiratory syncytial virus-associated hospitalizations among individuals (all ages) attending a private hospital group in South Africa, 2007–2012
Year | Estimated hospitalizations | ||||
|---|---|---|---|---|---|
Influenza (excluding A(H1N1)pdm09 in 2009) | RSV | ||||
Dominant type/subtype | Number a | Rate b | Number a | Rate b | |
All-respiratory (including pneumonia and influenza) | |||||
2007 | A (H3N2) | 2151 | 112 | 5098 | 263 |
2008 | A (H1N1) | 1707 | 73 | 4889 | 207 |
2009 | A (H3N2) | 1934 | 79 | 6432 | 261 |
2010 | B | 1660 | 66 | 4987 | 197 |
2011 | A (H1N1)pdm09 | 1637 | 72 | 4475 | 196 |
2012 | A (H3N2) | 1282 | 54 | 5112 | 216 |
Pneumonia and influenza only | |||||
2007 | A (H3N2) | 1136 | 57 | 2011 | 102 |
2008 | A (H1N1) | 902 | 37 | 1929 | 80 |
2009 | A (H3N2) | 1022 | 41 | 2538 | 101 |
2010 | B | 877 | 34 | 1968 | 76 |
2011 | A (H1N1)pdm09 | 865 | 37 | 1766 | 75 |
2012 | A (H3N2) | 677 | 28 | 2017 | 83 |
All-circulatory | |||||
2007 | A (H3N2) | 92 | 5 | … | … |
2008 | A (H1N1) | 73 | 3 | … | … |
2009 | A (H3N2) | 83 | 3 | … | … |
2010 | B | 71 | 3 | … | … |
2011 | A (H1N1)pdm09 | 70 | 3 | … | … |
2012 | A (H3N2) | 55 | 2 | … | … |