Epidemiological characteristics and repeated infection analysis of scrub typhus in Anhui Province from 2008 to 2017 / 中华疾病控制杂志

ABSTRACT

@# Objective To understand the epidemiological characteristics of scrub typhus in Anhui Province from 2008 to 2017, so as to provide scientific evidence for the development of control strategies and control measures. Methods Descriptive epidemiological methods were used to describe and analyze the cases of scrub typhus in Anhui Province from 2008 to 2017. Results The overall incidence of scrub typhus in Anhui Province showed an upward trend from 2008 to 2017 ( χ2=3 522.49, P<0.001). The highest incidence rate in 2016 was 3.98/100 000. The cases were concentrated from September to November. It was a typical “autumn and winter type” and peaked in October. It had the phenomenon of “high incidence in October”; the cases were mainly concentrated in the age group of 40-79 years old, accounting for 76.64% of the total reported cases. The cumulative number of cases in the 60-69 age group was the largest, and the incidence was mainly farmers. Conclusions In recent years, the incidence of scrub typhus in Anhui Province has shown an upward trend. It is necessary to strengthen the routine monitoring of scrub typhus in key areas and the detection of scrub typhus pathogens, and actively carry out prevention and health education of scrub typhus.