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To explore the epidemiological characteristics of human brucellosis in Inner Mongolia from 2021 to 2023 and the spatial variation of meteorological factors affecting its incidence, providing a scientific basis for prevention, control, and public health resource allocation.
The de-identified human brucellosis case data from January 1st, 2021 to December 31st, 2023, were collected from the Inner Mongolia Center for Disease Control and Prevention. Descriptive analysis was used to study three distributions of human brucellosis in Inner Mongolia. A mixed local autoregressive geographical weighted regression model analyzed the monthly spatial autocorrelation and heterogeneity of brucellosis. The model’s fitting effect was compared with spatial autoregressive, geographical weighted regression, and local autoregressive geographical weighted regression models.
From 2021 to 2023, 56,483 cases of brucellosis in Inner Mongolia, with a peak incidence from March to July. The incidence in males was 53.67 per 100,000, significantly higher than in females (χ2 = 25.803，P<0.05). Farmers comprised the largest proportion of cases. The highest incidence occurred in people aged 41 to 60 (43.60 per 100,000). Brucellosis incidence in Inner Mongolia showed a positive spatial correlation, with high-incidence areas mainly in the east and west. The Mixed GWR-LSAR model had the best fit. The effects of wind speed, temperature, pressure, and evaporation varied spatially.
Brucellosis in Inner Mongolia exhibited seasonal, demographic, and spatial patterns, with varying meteorological impacts across months and regions. Therefore, prevention and control strategies should be targeted and regional to effectively reduce the risk.
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| 科 Family | 属数 Number of genus | 种数 Number of species | 占总种数比例 Percentage of total species (%) | 属 Genus | 种数 Number of species | 占总种数比例 Percentage of total species (%) |
|---|---|---|---|---|---|---|
| 鹅膏菌科Amanitaceae | 2 | 11 | 5.26 | 鹅膏菌属 Amanita | 10 | 4.78 |
| 小菇科 Mycenaceae | 2 | 12 | 5.74 | 丝盖伞属 Inocybe | 5 | 2.39 |
| 多孔菌科 Polyporaceae | 8 | 14 | 6.70 | 蜡蘑属 Laccaria | 5 | 2.39 |
| 红菇科 Russulaceae | 3 | 23 | 11.00 | 小皮伞属 Marasmius | 6 | 2.87 |
| 小菇属 Mycena | 11 | 5.26 | ||||
| 光柄菇属 Pluteus | 5 | 2.39 | ||||
| 红菇属 Russula | 17 | 8.13 | ||||
| 栓菌属 Trametes | 5 | 2.39 |
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