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Objective To identify the epidemiological characteristics of tuberculosis in Zigong from 2018 to 2021, and to compare the epidemic situation of tuberculosis before and during the COVID-19 pandemic, so as to provide guidance for further prevention and control. Methods The data of tuberculosis cases reported in Zigong from January 1, 2018 to December 31, 2021 were derived from the "Tuberculosis Information Management System". And further descriptive epidemiological analysis was carried out based on the collected data. Results A total of 5289 tuberculosis cases were reported in Zigong from 2018 to 2021 with the range of reported incidence from 49.29/100 000 to 55.19/100 000, and the average incidence reported was 52.54/100 000. The incidence showed two peaks every year from 2018 to 2021, except for 2020 with only one peak in September. The ratio of male to female patients was 3.14:1 (4010:1279) and farmers were the main occupation of patients (56.06%). Tuberculous pleurisy was the main type of extrapulmonary tuberculosis (69.17%), and diabetes was the main type of comorbidities (74.32%), respectively. Ziliujing district showed the lowest incidence among these districts in Zigong. Newly treated patients have been the main treatment type of tuberculosis patients in Zigong in the past four years with the ratio of newly patients to retreatment patients of 14.60:1(4950:339). There were four types of patients showing high rates of consultation delays, including officers (74.29%), retreatment patients (73.75%), diagnosed (74.95%) and recommended (78.57%) due to symptoms. During the COVID-19 pandemic, while the reported incidence of tuberculosis in Zigong city has decreased, the rate of laboratory positive detection has also decreased. Conclusions Middle-aged male and farmers are still the focus of tuberculosis prevention and treatment in Zigong. The COVID-19 pandemic has little effect on the gender structure of patients. However, the COVID-19 pandemic might cause a slight increase in the number of hidden tuberculosis patients in Zigong. It is suggested to strengthen publicity, education and screening for the target population.
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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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