Epidemiological characteristics of echinococcosis in Yili Prefecture of Xinjiang from 2005 to 2020

doi:10.12140/j.issn.1000-7423.2022.02.020

Abstract

Abstract:

In order to understand the epidemiologic characteristics and status of echinococcosis in Yili Prefecture of Xinjiang Uygur Autonomous Region from 2005 to 2020. Data from Echinococcus cases in Yili Prefecture of Xinjiang during 2005 and 2020 were collected from National Infectious Disease Reporting Information Management System and analyzed using descriptive epidemiology approaches. The results showed that 4 612 echinococcosis cases were reported in Yili Prefecture from 2005 to 2020. The average annual incidence rate was 9.92/100 000. The number of reported cases peaked in 2017, followed by a decline annually, with no significant seasonal patterns. Cases were reported in all 11 counties (cities) of Yili Prefecture. Chabuchaerxibo Autonomous Country (20.96/100 000), Zhaosu County (19.94/100 000) and Nileke County (16.61/100 000) had the highest incidence rate. Of all the reported cases, 2 488 cases were male, with an average annual incidence of 10.46/100 000; 2 124 cases were female, with an average annual incidence of 9.27/100 000. There was no significant difference in annual incidence between males and females (χ² = 1.063, P > 0.05). The average age of the reported echinococcosis patients was 39 years, while the majority of the cases were aged between 20 and 59, accounting for 75.1% (3 462 cases) of the total cases. The occupation was mainly farmers and herdsmen, accounting for 63.1% (2 909 cases) of the cases. It is suggested that the prevalence of echinococcosis in Yili Prefecture of Xinjiang is high, affecting a large number of people suggesting the need for developing science-based and effective prevention approaches that are suitable for controlling the transmission of echinococcosis.

Key words: Echinococcosis, Epidemic characteristics, Yili Prefecture

CLC Number:

R532.32

WANG Shuo, ZHAI Xiao-hu, ZHANG Hai-ting, SHI Guang-zhong, YANG Han-qi, CHEN Xia, MAIMAITIJIANG Wumaier, ZHAO Jiang-shan. Epidemiological characteristics of echinococcosis in Yili Prefecture of Xinjiang from 2005 to 2020[J]. CHINESE JOURNAL OF PARASITOLOGY AND PARASITIC DISEASES, 2022, 40(2): 256-260.

Figures/Tables 4

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年龄组	男性		女性		合计
年龄组	病例数	构成比/%	病例数	构成比/%	病例数	构成比/%
0~9	146	5.8	98	4.6	244	5.3
10~19	207	8.3	137	6.5	344	7.5
20~29	371	14.9	339	16.0	710	15.4
30~39	582	23.4	468	22.0	1 050	22.8
40~49	516	20.7	465	21.9	981	21.3
50~59	371	14.9	350	16.5	721	15.6
60~69	201	8.1	197	9.3	398	8.6
70~79	84	3.4	58	2.7	142	3.1
80~89	10	0.4	12	0.6	22	0.5
合计	2 488	100	2 124	100	4 612	100