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To analyze the characteristics of infectious disease outbreaks reported in Gansu Province from 2004 to 2023 in the “Public Health Emergency Management Information System” providing a basis for effective prevention and control of infectious disease outbreaks in the province.
A descriptive analysis was conducted on infectious disease outbreaks reported in Gansu Province from 2004 to 2023, utilizing ArcGIS 10.5 and GeoDa 1.6 software to explore hotspot areas.
From 2004 to 2023, Gansu Province reported a total of 1 184 infectious disease outbreaks, with a total of 46 352 reported cases and an affected population of 2 616 380, resulting in an incidence rate of 1.77%. A total of 69 deaths were reported, yielding a case fatality rate of 0.15%. General-level events accounted for 1 173 cases (99.07%), while larger-scale events accounted for 11 cases (0.93%). The majority of reported events were caused by Category B infectious diseases, totaling 729 cases (61.57%). The top three reported diseases were chickenpox, mumps, and hand, foot, and mouth disease. Reports peaked in April to June and October to December, accounting for 49.9% and 38.3% of annual reports, respectively. Lanzhou city had the highest number of reported events at 339 (28.63%), with hotspot areas concentrated in Gaolan County, Yuzhong County, and Anning District. Outbreaks primarily occurred in primary schools (593 cases, 50.08%) and childcare institutions (179 cases, 15.12%).
From 2004 to 2023, the primary infectious disease outbreaks in Gansu Province were chickenpox, mumps, and hand, foot, and mouth disease, with peaks in April to June and October to December. It is essential to strengthen infectious disease prevention and control in hotspot areas, particularly in primary schools and childcare institutions.
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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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