年齢階級別の報告数推移：ヘルパンギーナ
| 年 | 週 | 0歳 | 1歳 | 2-3 | 4-5 | 6-7 |
8-9 | 10-14 | 15-19 | 20- | 計 |
| 2023 | 17 | 1 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 3 |
| 2023 | 18 | 1 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 2 |
| 2023 | 19 | 0 | 1 | 0 | 2 | 0 | 0 | 0 | 0 | 0 | 3 |
| 2023 | 20 | 0 | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 3 |
| 2023 | 21 | 1 | 5 | 4 | 0 | 0 | 0 | 0 | 0 | 0 | 10 |
| 2023 | 22 | 0 | 1 | 4 | 2 | 0 | 0 | 0 | 0 | 0 | 7 |
| 2023 | 23 | 4 | 5 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 9 |
| 2023 | 24 | 0 | 6 | 8 | 2 | 1 | 0 | 1 | 0 | 0 | 18 |
| 2023 | 25 | 5 | 9 | 17 | 2 | 1 | 0 | 0 | 0 | 0 | 34 |
| 2023 | 26 | 6 | 14 | 21 | 8 | 2 | 0 | 0 | 0 | 0 | 51 |
| 2023 | 27 | 6 | 17 | 18 | 14 | 2 | 1 | 1 | 0 | 0 | 59 |
| 2023 | 28 | 9 | 30 | 29 | 17 | 1 | 1 | 0 | 0 | 0 | 87 |
| 2023 | 29 | 6 | 17 | 17 | 4 | 4 | 1 | 0 | 1 | 0 | 50 |
| 2023 | 30 | 8 | 21 | 22 | 9 | 4 | 1 | 0 | 0 | 0 | 65 |
| 2023 | 31 | 4 | 9 | 15 | 12 | 2 | 0 | 0 | 0 | 0 | 42 |
| 2023 | 32 | 5 | 8 | 14 | 9 | 1 | 0 | 1 | 0 | 0 | 38 |
| 2023 | 33 | 1 | 1 | 6 | 4 | 3 | 0 | 0 | 0 | 0 | 15 |
| 2023 | 34 | 2 | 1 | 2 | 0 | 1 | 0 | 0 | 1 | 1 | 8 |
| 2023 | 35 | 1 | 4 | 8 | 4 | 2 | 0 | 0 | 0 | 2 | 21 |
| 2023 | 36 | 1 | 3 | 3 | 3 | 1 | 0 | 0 | 0 | 0 | 11 |
| 2023 | 37 | 2 | 4 | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 9 |
| 2023 | 38 | 4 | 2 | 1 | 1 | 1 | 0 | 0 | 0 | 0 | 9 |
| 2023 | 39 | 0 | 2 | 2 | 0 | 1 | 0 | 0 | 0 | 0 | 5 |
| 2023 | 40 | 2 | 3 | 3 | 1 | 0 | 0 | 0 | 0 | 0 | 9 |
| 2023 | 41 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 2023 | 42 | 0 | 0 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 2 |
| 2023 | 43 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 1 |
| 2023 | 44 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 1 |
| 2023 | 45 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 2023 | 46 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 |
| 2023 | 47 | 0 | 0 | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 3 |
| 2023 | 48 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 2023 | 49 | 1 | 1 | 2 | 1 | 0 | 0 | 0 | 0 | 0 | 5 |
| 2023 | 50 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 2023 | 51 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 1 |
| 2023 | 52 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 2024 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 2024 | 2 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 1 |
| 2024 | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 2024 | 4 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 2024 | 5 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 2024 | 6 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 2024 | 7 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 2024 | 8 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 2024 | 9 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 1 |
| 2024 | 10 | 0 | 1 | 2 | 1 | 0 | 0 | 0 | 0 | 0 | 4 |
| 2024 | 11 | 1 | 0 | 1 | 1 | 0 | 1 | 0 | 0 | 0 | 4 |
| 2024 | 12 | 1 | 0 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 3 |
| 2024 | 13 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 2024 | 14 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 |
| 2024 | 15 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 2 |
| 2024 | 16 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 1 |