Epidemiological characteristics of 123 confirmed COVID-19 cases in Shangrao City， Jiangxi / 上海预防医学

ABSTRACT

ObjectiveTo describe the epidemiological characteristics of confirmed COVID-19 cases in Shangrao City， and provide scientific evidence for the development of prevention and control strategies. MethodsEpidemiological characteristics of 123 confirmed cases， such as time， sex， age， occupations， area， and source of infection， were analyzed by combining epidemiological investigation with laboratory testing. ResultsOf the 123 confirmed cases， 34 were imported cases and 89 were local cases. The sex ratio was 1.32∶1. Average time interval of the COVID-19 was （18.4±4.4） days， with a median time interval between the onset and final diagnosis of 5 days. There were 19 clustering cases， of which 89.5% were family clusters and 77.3% occurred in families. Majority of the cases were common type. The main source of infection was travelers from the epidemic areas. ConclusionHealth monitoring of travelers from epidemic areas and strict quarantine of close contacts are the main measures to control the spread of the COVID-19 epidemic.