年齢階級別の報告数推移：感染性胃腸炎
| 年 | 週 | 0歳 | 1歳 | 2-3 | 4-5 | 6-7 |
8-9 | 10-14 | 15-19 | 20- | 計 |
| 2023 | 29 | 9 | 28 | 22 | 16 | 7 | 4 | 2 | 0 | 5 | 93 |
| 2023 | 30 | 11 | 19 | 22 | 19 | 12 | 7 | 4 | 1 | 4 | 99 |
| 2023 | 31 | 10 | 20 | 29 | 10 | 4 | 2 | 8 | 0 | 5 | 88 |
| 2023 | 32 | 9 | 21 | 20 | 7 | 5 | 6 | 3 | 0 | 2 | 73 |
| 2023 | 33 | 13 | 19 | 12 | 7 | 6 | 6 | 4 | 3 | 12 | 82 |
| 2023 | 34 | 6 | 12 | 8 | 10 | 5 | 1 | 8 | 0 | 1 | 51 |
| 2023 | 35 | 11 | 28 | 16 | 8 | 6 | 3 | 7 | 0 | 2 | 81 |
| 2023 | 36 | 9 | 17 | 19 | 11 | 5 | 6 | 10 | 3 | 6 | 86 |
| 2023 | 37 | 15 | 23 | 15 | 7 | 7 | 5 | 9 | 3 | 3 | 87 |
| 2023 | 38 | 9 | 15 | 9 | 5 | 7 | 7 | 6 | 1 | 2 | 61 |
| 2023 | 39 | 8 | 15 | 15 | 11 | 5 | 6 | 11 | 0 | 2 | 73 |
| 2023 | 40 | 3 | 30 | 15 | 19 | 14 | 3 | 5 | 0 | 4 | 93 |
| 2023 | 41 | 10 | 19 | 15 | 13 | 9 | 6 | 4 | 0 | 1 | 77 |
| 2023 | 42 | 9 | 23 | 23 | 12 | 8 | 4 | 8 | 3 | 6 | 96 |
| 2023 | 43 | 7 | 26 | 23 | 10 | 13 | 8 | 5 | 0 | 3 | 95 |
| 2023 | 44 | 11 | 21 | 24 | 14 | 13 | 9 | 11 | 1 | 1 | 105 |
| 2023 | 45 | 9 | 35 | 17 | 13 | 7 | 9 | 5 | 0 | 3 | 98 |
| 2023 | 46 | 9 | 25 | 26 | 28 | 15 | 7 | 12 | 1 | 9 | 132 |
| 2023 | 47 | 8 | 12 | 14 | 17 | 17 | 11 | 6 | 0 | 4 | 89 |
| 2023 | 48 | 9 | 16 | 20 | 13 | 4 | 6 | 5 | 0 | 4 | 77 |
| 2023 | 49 | 8 | 26 | 28 | 17 | 8 | 4 | 7 | 0 | 9 | 107 |
| 2023 | 50 | 9 | 26 | 27 | 25 | 14 | 7 | 10 | 3 | 4 | 125 |
| 2023 | 51 | 9 | 26 | 28 | 26 | 14 | 18 | 15 | 1 | 4 | 141 |
| 2023 | 52 | 6 | 32 | 30 | 33 | 20 | 9 | 10 | 2 | 18 | 160 |
| 2024 | 1 | 5 | 11 | 17 | 12 | 9 | 5 | 8 | 0 | 5 | 72 |
| 2024 | 2 | 21 | 34 | 37 | 19 | 21 | 12 | 15 | 2 | 15 | 176 |
| 2024 | 3 | 16 | 74 | 74 | 58 | 30 | 11 | 10 | 0 | 15 | 288 |
| 2024 | 4 | 19 | 50 | 63 | 55 | 39 | 18 | 12 | 5 | 17 | 278 |
| 2024 | 5 | 21 | 54 | 51 | 40 | 33 | 15 | 23 | 3 | 31 | 271 |
| 2024 | 6 | 14 | 49 | 48 | 41 | 17 | 13 | 15 | 0 | 17 | 214 |
| 2024 | 7 | 11 | 32 | 21 | 22 | 21 | 13 | 11 | 4 | 7 | 142 |
| 2024 | 8 | 16 | 19 | 28 | 28 | 18 | 12 | 14 | 0 | 25 | 160 |
| 2024 | 9 | 17 | 20 | 24 | 26 | 19 | 14 | 21 | 1 | 7 | 149 |
| 2024 | 10 | 8 | 11 | 22 | 33 | 22 | 19 | 16 | 1 | 17 | 149 |
| 2024 | 11 | 11 | 19 | 26 | 19 | 20 | 10 | 26 | 1 | 7 | 139 |
| 2024 | 12 | 14 | 15 | 12 | 13 | 15 | 12 | 10 | 0 | 16 | 107 |
| 2024 | 13 | 16 | 15 | 24 | 24 | 18 | 6 | 7 | 3 | 11 | 124 |
| 2024 | 14 | 9 | 23 | 17 | 15 | 18 | 13 | 13 | 2 | 11 | 121 |
| 2024 | 15 | 10 | 13 | 20 | 17 | 13 | 4 | 5 | 1 | 10 | 93 |
| 2024 | 16 | 13 | 22 | 12 | 11 | 10 | 8 | 8 | 1 | 9 | 94 |
| 2024 | 17 | 10 | 13 | 12 | 13 | 7 | 3 | 5 | 2 | 4 | 69 |
| 2024 | 18 | 12 | 8 | 8 | 8 | 14 | 4 | 4 | 1 | 2 | 61 |
| 2024 | 19 | 10 | 7 | 9 | 14 | 5 | 5 | 6 | 0 | 9 | 65 |
| 2024 | 20 | 13 | 17 | 10 | 11 | 11 | 11 | 4 | 0 | 6 | 83 |
| 2024 | 21 | 12 | 14 | 16 | 7 | 14 | 13 | 8 | 0 | 5 | 89 |
| 2024 | 22 | 8 | 13 | 16 | 8 | 11 | 7 | 12 | 2 | 9 | 86 |
| 2024 | 23 | 13 | 17 | 21 | 14 | 14 | 10 | 10 | 0 | 7 | 106 |
| 2024 | 24 | 14 | 7 | 11 | 5 | 6 | 7 | 12 | 1 | 7 | 70 |
| 2024 | 25 | 15 | 12 | 16 | 13 | 6 | 6 | 8 | 1 | 10 | 87 |
| 2024 | 26 | 15 | 20 | 16 | 11 | 4 | 7 | 7 | 1 | 5 | 86 |
| 2024 | 27 | 11 | 23 | 20 | 8 | 4 | 6 | 14 | 1 | 8 | 95 |
| 2024 | 28 | 11 | 20 | 19 | 9 | 7 | 9 | 7 | 0 | 4 | 86 |