Table 4.
Viruses and atypical bacteria detected at baseline (acute phase of illness) and at follow up within the same patient
| Virus or atypical detection by PCR | Baseline (acute illness) n (%) of total (n = 3104) | At follow up n (%) of positives during the acute phase |
|---|---|---|
| Bacteria | ||
| Mycoplasma pneumoniae | 31 (1.0) | 0 (0.0) |
| Chlamydia pneumoniae | 26 (0.8) | 1 (3.8) |
| Bordetella pertussis | 39 (1.3) | 0 (0.0) |
| Viruses | ||
| Rhinovirus | 623 (20.1) | 27 (4.3) |
| Influenza virus A/B | 307 (9.9) | 0 (0.0) |
| Coronaviruses | 231 (7.4) | 4 (1.7) |
| Respiratory syncytial virus | 144 (4.6) | 1 (0.7) |
| Human metapneumovirus | 138 (4.4) | 1 (0.7) |
| Parainfluenza viruses 1–4 | 81 (2.6) | 0 (0.0) |
| Adenoviruses | 41 (1.3) | 2 (4.9) |
| Polyomaviruses (WU+KI) | 69 (2.2) | 2 (2.9) |
| Bocavirus | 18 (0.6) | 1 (5.6) |