Table 1.
Influenza frequency and related outcomes in HSCT recipients and adults with cancer
| Ref. | Type of malignancy (influenza years) | No of cases | Influenza cases | Outcome |
| Ljungman 2001 | allogeneic BMT/HSCT recipients (1997 to 1998) | 819 | 1.7% | Deaths 29% |
| autologous BMT/HSCT recipients (1997 to 1998) | 1154 | 0.2% | Deaths 0% | |
| allogeneic BMT/HSCT recipients (1997 to 2000) | >819 | Deaths 23% | ||
| autologous BMT/HSCT recipients (1997 to 2000) | >1154 | Deaths 22% | ||
| Hassan 2003 | allogeneic BMT/HSCT recipients (1996 to 2001) | 230 | 2.2% | Deaths 20% |
| autologous BMT/HSCT recipients (1996 to 2001) | 396 | 0% | ||
| Nichols 2004 | HSCT recipients (within 120 days after transplantation) (1989 to 2002) | 4797 | 1.3% | Deaths 10% Pneumonia 29% |
| Machado 2003 | HSCT recipients (URTI symptoms present) (2001 to 2002) | 179 | 23% | Deaths 0% |
| Chemaly 2006 | HSCT recipients AND hematologic malignancies (retrospective study of patients with laboratory confirmed viral respiratory infection) (2000 to 2002) | 343 | 33% | Deaths 4% Pneumonia 30% |
| HSCT recipients | 230 | 29% | ||
| Leukaemia | 61 | 33% | ||
| Lymphoma | 37 | 51% | ||
| Multiple myeloma | 15 | 40% | ||
| Yousuf 1997 | CLL /acute leukaemia (hospitalized patients) (1993 to 1994) | 45 | 33% | Deaths 27% Pneumonia 80% |
| Elting 1995 | CLL /acute leukaemia (1991 to 1992) | 37 | 11% | Deaths 25% Pneumonia 75% |
| Redelman‐Sidi 2010 | solid cancers (H1N1 2009 pandemic) | 226 | 7% | 0% Deaths |
| hematologic malignancies (H1N1 2009 pandemic) | 167 (96 HSCT) | 17% (22%) | 0% Deaths |