Table 3.
Number and characteristics of viral and bacterial co-detection for analysed samples in pre-pandemic and pandemic periods (BPP: Bordetella parapertussis; BP: Bordetella pertussis; CP: Chlamydophila pneumonia; HI: Haemophilus influenza; LP: Legionella pneumophila; MP: Mycoplasma pneumonia; SP: Streptococcus pneumonia)
| Pre-pandemic Period | Pandemic period | |
|---|---|---|
| Samples with ≥ 1 detected virus | ||
| Total number / all valid samples (%) | 390/455 (85.7) | 216/261 (82.8) |
| Average number of detected viruses per sample (95% CI) | 1.8 (1.7–1.9) | 1.2 (1.1–1.3) |
| Number of detected viruses per sample (%) | ||
| 1 | 168 (43.1) | 170 (78.7) |
| 2 | 137 (35.1) | 41 (19.0) |
| 3 | 66 (16.9) | 5 (2.3) |
| 4 | 15 (3.8) | 0 (0.0) |
| 5 | 3 (0.8) | 0 (0.0) |
| 6 | 1 (0.3) | 0 (0.0) |
| Samples with only bacterial presence | ||
| Total number / all valid samples (%) | 58/455 (12.7) | 29/261 (11.1) |
| Number of samples with SP | 21 (36.2) | 8 (27.6) |
| Number of samples with HI | 5 (8.6) | 6 (20.7) |
| Number of samples with SP + HI | 30 (51.7) | 15 (51.7) |
| Number of samples with BPP | 2 (3.4) | 0 (0.0) |
| Samples with only viral presence | ||
| Total number / all valid samples (%) | 17/455 (3.7) | 40/261 (15.3) |
| Samples with viral and bacterial presence | ||
| Total number / all valid samples (%) | 373/455 (81.9) | 176/261 (67.4) |
| Virus + HI | 68 (18.2) | 30 (17.0) |
| Virus + SP | 25 (6.7) | 38 (21.6) |
| Virus + SP + HI | 270 (72.4) | 107 (60.8) |
| Virus + BPP | 2 (0.5) | 0 (0.0) |
| Virus + BPP/MP + HI | 2 (0.5) | 0 (0.0) |
| Virus + BPP/MP + HI + SP | 6 (1.6) | 1 (0.6) |