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Clinical presentation reported for the deceased patients with a laboratory-confirmed influenza A(H1N1)2009 virus infection, the Netherlands 2009-2011 (n = 103)
| Pandemic season 2009-2010 N = 65 |
Influenza season 2010-2011 N = 38 |
|||
|---|---|---|---|---|
| Clinical presentation | n | (%) | n | (%) |
| respiratory, including ARDS* | 26 | (40) | 16 | (42) |
| systemic | 11 | (17) | 7 | (18) |
| neurological | 3 | (5) | 1 | (3) |
| super infection | 2 | (3) | 2 | (5) |
| cardiovascular | - | 2 | (5) | |
| unknown | 23 | (35) | 10 | (26) |
* ARDS = acute respiratory distress syndrome
