“…For example, of the total 335 influenza A virus infected patients being diagnosed upon admission to ErasmusMC - a tertiary university hospital - between August 2009 and July 2012, 113 (34%) had an underlying condition that classified them as being immunocompromised [11]. Since immunocompromised patients are more likely to acquire influenza [12], [13], showing relatively high influenza-associated mortality [4], [14], [15], [16], [17], [18], [19], [20], [21], [22], [23], [24], effective antiviral prophylaxis and treatment protocols are of crucial importance for these patients.…”