Epidemiological characteristics of scrub typhus in Beijing during 2009-2019
LYU Yan-ning1,2, BIE Chu-hao2, DOU Xiang-feng1, CHEN Li-juan1, LI Fu1, SUN Yu-lan1, LI Ren-qing1, WANG Quan-yi1
1.Beijing Center for Disease Prevention and Control, Beijing Research Centre for Preventive Medicine,Beijing 100013, China; 2.School of Public Health, Capital Medical University, Beijing 100069, China
Abstract:This study aimed to analyze the epidemic characteristics of scrub typhus in Beijing during 2009-2019, and to provide scientific evidence for the prevention and control of scrub typhus. The case data for scrub typhus reported in Beijing during 2009-2019 were collected. WPS office was used for data processing and chart drawing, IBM SPSS statistics 21.0 was used for statistical analysis, SaTScan 9.5 was used for spatiotemporal scanning analysis, and Mapinfo 9.5 was used for visualization of spatiotemporal scanning results. During 2009-2019, 1 060 cases of scrub typhus were reported in Beijing, with an average annual incidence rate of 0. 49/100 000. The incidence rate increased in 2009-2015, a downward trend occurred in 2015-2018, and the number of case reports in 2018-2019 rose again. The peak incidence was in the autumn and winter, and the number of reported cases accounted for 98.02% (1 039/1 060) of the total number in 9-11 months. The main age of onset was 50-59 years, accounting for 32.83% (348/1 060) of the total. The difference in disease incidence among age groups was statistically significant (χ2=8480.0, P<0.001), there was no difference in incidence according to sex, and the difference in incidence in age groups according to sex was not statistically significant (χ2=0.795, P=0.373). Most patients were farmers, accounting for 75.00% (795/1 060) of the total. The highest incidence rate of scrub typhus in Beijing was in the Pinggu district. The number of cases reported in the Pinggu area accounted for 90.19% (956/1 060) of the total cases. The incidence of scrub typhus in Beijing was relatively high. The season and area of onset were relatively concentrated. The risk to the population was relatively fixed. It is necessary to monitor the key population in the season of high scrub typhus incidence, and to take preventive measures such as health education to decrease the incidence of scrub typhus.
吕燕宁, 别楚皞, 窦相峰, 陈丽娟, 李夫, 孙玉兰, 李仁清, 王全意. 2009-2019年北京市恙虫病流行特征分析[J]. 中国人兽共患病学报, 2021, 37(3): 236-240.
LYU Yan-ning, BIE Chu-hao, DOU Xiang-feng, CHEN Li-juan, LI Fu, SUN Yu-lan, LI Ren-qing, WANG Quan-yi. Epidemiological characteristics of scrub typhus in Beijing during 2009-2019. Chinese Journal of Zoonoses, 2021, 37(3): 236-240.