Table 3. Presence of viruses in peripheral blood and nasopharynx in the 159 patients with neutropenia.
| Specimen | Virus | No. of positive (%) | Co-existing viruses (n)a | |
| Blood | BK polyoma virus (BKV) | 18 | (11.4) | B19 (1), EBV (1), IFB (1), HRV (2) |
| n = 158 | Cytomegalovirus (CMV) | 8 | (5.1) | B19 (1), RSV (1), AdV in NPA+HRV (1) |
| Parvovirus B19 (B19) | 6 | (3.8) | CMV (1), BK (1), EBV (1) | |
| Epstein-Barr virus (EBV) | 6 | (3.8) | BK (1), B19 (1) | |
| Adenovirus (AdV) | 1 | (0.6) | - | |
| No. of patients with at least one virus detected in blood | 35 | (22.2)b | ||
| NPA | Rhinovirus (HRV) | 11 | (7.6) | AdV in NPA+CMV (1), BK (2) |
| n = 144 | Adenovirus (AdV) | 6 | (4.2) | HRV+CMV (1) |
| Respiratory syncytial virus (RSV) | 5 | (3.5) | CMV (1) | |
| Influenza A virus (IFA) | 1 | (0.7) | - | |
| Influenza B virus (IFB) | 2 | (1.4) | BK (1) | |
| Metapneumovirus (HMPV) | 2 | (1.4) | - | |
| No. of patients with at least one virus detected in NPA | 26 | (18.1)c | ||
| No. of patients with at least one virus detected in any specimen | 56 | (35.2) | ||
NOTE. NPA, nasopharyngeal aspirate.
a
All co-existing viruses are also listed in the column of viruses. Thus, they are presented, but not counted, twice.
b
Percentage of total sampling occasions where blood was investigated.
c
Percentage of total sampling occasions where NPA was investigated.