過去10シーズンの定点あたり報告数推移(週別):新型コロナウイルス感染症
| 週 | 2025 | 2024 | 2023 | 2022 | 2021 |
2020 | 2019 | 2018 | 2017 | 2016 | 2015 |
| 1 | 4.95 | 5.74 | | | | | |
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| 2 | 4.47 | 6.13 | | | | | |
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| 3 | 4.18 | 9.13 | | | | | |
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| 4 | 5.47 | 8.53 | | | | | |
| | | |
| 5 | 5.55 | 11.58 | | | | | |
| | | |
| 6 | 6.03 | 10.05 | | | | | |
| | | |
| 7 | 6.24 | 8.16 | | | | | |
| | | |
| 8 | 6.53 | 7.42 | | | | | |
| | | |
| 9 | 6.24 | 5.92 | | | | | |
| | | |
| 10 | 4.16 | 6.16 | | | | | |
| | | |
| 11 | 4.32 | 6.08 | | | | | |
| | | |
| 12 | 3.79 | 4.61 | | | | | |
| | | |
| 13 | 3.21 | 3.45 | | | | | |
| | | |
| 14 | 2.24 | 3.95 | | | | | |
| | | |
| 15 | 2.45 | 3.18 | | | | | |
| | | |
| 16 | 1.40 | 3.50 | | | | | | |
| | |
| 17 | 1.05 | 3.03 | | | | | | |
| | |
| 18 | 0.65 | 2.61 | | | | | | |
| | |
| 19 | 0.75 | 3.24 | 1.58 | | | | | |
| | |
| 20 | 0.50 | 2.89 | 1.47 | | | | | |
| | |
| 21 | 0.70 | 3.05 | 1.47 | | | | | |
| | |
| 22 | 0.45 | 2.66 | 2.29 | | | | |
| | | |
| 23 | 0.55 | 2.34 | 2.76 | | | | |
| | | |
| 24 | 0.50 | 2.50 | 2.95 | | | | |
| | | |
| 25 | 0.25 | 2.82 | 3.42 | | | | |
| | | |
| 26 | 0.70 | 3.53 | 4.08 | | | | |
| | | |
| 27 | 1.15 | 4.76 | 6.79 | | | | |
| | | |
| 28 | 1.45 | 6.63 | 8.74 | | | | |
| | | |
| 29 | 2.05 | 10.08 | 10.68 | | |
| | | | | |
| 30 | 2.75 | 14.11 | 14.92 | | |
| | | | | |
| 31 | 3.85 | 15.84 | 15.71 | | |
| | | | | |
| 32 | 4.50 | 13.84 | 15.29 | | |
| | | | | |
| 33 | 8.45 | 14.11 | 19.08 | | |
| | | | | |
| 34 | 9.75 | 10.26 | 15.26 | | |
| | | | | |
| 35 | 8.05 | 8.42 | 15.55 | | |
| | | | | |
| 36 | 9.40 | 7.42 | 18.92 | | |
| | | | | |
| 37 | 9.60 | 4.53 | 13.68 | | |
| | | | | |
| 38 | 8.80 | 3.82 | 9.63 | | |
| | | | | |
| 39 | 5.95 | 3.42 | 5.26 | | |
| | | | | |
| 40 | 5.55 | 2.79 | 4.42 | | |
| | | | | |
| 41 | 3.85 | 1.76 | 2.74 | | | | |
| | | |
| 42 | 2.60 | 0.97 | 1.87 | | | | | |
| | |
| 43 | | 1.16 | 1.55 | | | | | | |
| |
| 44 | | 0.89 | 1.63 | | | | | | |
| |
| 45 | | 1.16 | 1.50 | | | | | | |
| |
| 46 | | 1.55 | 1.03 | | | | | | |
| |
| 47 | | 0.89 | 1.53 | | | | | | |
| |
| 48 | | 1.00 | 1.53 | | | | | | |
| |
| 49 | | 1.45 | 2.76 | | | | | |
| | |
| 50 | | 1.71 | 2.61 | | | | | |
| | |
| 51 | | 2.92 | 2.84 | | | | |
| | | |
| 52 | | 2.79 | 3.87 | | | | |
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