Table 1. Demographic, seasonal, age distribution and co-infection characteristics of hMPV-positive children, 2020–2024.
| Characteristic | Overall | 2020 | 2021 | 2022 | 2023 | 2024 |
|---|---|---|---|---|---|---|
| No. of positive patients for hMPV | 240 | 33 | 42 | 89 | 33 | 43 |
| Male, n (%) | 117 (48.8) | 17 (51.5) | 19 (45.2) | 48 (53.9) | 12 (36.4) | 21 (48.8) |
| Female, n (%) | 123 (51.2) | 16 (48.5) | 23 (54.8) | 41 (46.1) | 21 (63.6) | 22 (51.2) |
| Age, median (IQR), years | 4.0 (2.0–5.0) | 4.0 (3.0–5.0) | 4.0 (2.0–5.8) | 3.0 (3.0–5.0) | 4.0 (3.0–6.0) | 3.0 (2.0–5.5) |
| <1, n (%) | 7 (2.9) | 1 (3.0) | 1 (2.4) | 5 (5.6) | 0 (0.0) | 0 (0.0) |
| 1–6, n (%) | 190 (79.2) | 27 (81.8) | 33 (78.6) | 71 (79.8) | 25 (75.8) | 34 (79.1) |
| 7–12, n (%) | 37 (15.4) | 5 (15.2) | 7 (16.7) | 12 (13.5) | 8 (24.2) | 5 (11.6) |
| >12, n (%) | 6 (2.5) | 0 (0.0) | 1 (2.4) | 1 (1.1) | 0 (0.0) | 4 (9.3) |
| Winter, n (%) | 125 (52.1) | 24 (72.7) | 30 (71.4) | 34 (38.2) | 6 (18.2) | 31 (72.1) |
| Spring, n (%) | 64 (26.7) | 0 (0.0) | 8 (19.0) | 42 (47.2) | 2 (6.1) | 12 (27.9) |
| Summer, n (%) | 15 (6.2) | 0 (0.0) | 3 (7.1) | 6 (6.7) | 6 (18.2) | 0 (0.0) |
| Autumn, n (%) | 36 (15.0) | 9 (27.3) | 1 (2.4) | 7 (7.9) | 19 (57.6) | 0 (0.0) |
| Co-infection, n (%) | 41 (17.1) | 2 (6.1) | 4 (9.5) | 13 (14.6) | 7 (21.2) | 14 (32.6) |
Percentages are column percentages within each year. Age groups were defined as <1, 1–6, 7–12 and >12 years. Age is presented as median (IQR), with quartiles calculated using midpoint method. Seasons were defined as winter (December–February), spring (March–May), summer (June–August) and autumn (September–November). Co-infection was defined as detection of hMPV with at least one additional respiratory virus.