1.Investigation on two family clusters of COVID-19 in a county of Baotou city in Inner Mongolia Autonomous Region
Chunfang LIU ; Tianxing LYU ; Zhengran LIU ; Hanbing WAN ; Suhua WANG ; Liang LIN ; Min ZHANG ; Yuhang ZHAO ; Li WANG ; Xin SU ; Yeli YANG ; Yuhua ZHU ; Peiyan LIU
Chinese Journal of Epidemiology 2020;41(8):1210-1213
Objective:To investigate the epidemiological characteristics and transmission chain of COVID-19 in two families, and to provide scientific evidence for effective prevention and control measures.Methods:Field epidemiological investigation was conducted for the COVID-19 cases occurred in two families and the close contacts in a county of Baotou city in Inner Mongolia Autonomous Region. Descriptive statistical analysis on epidemiological data was conducted.Results:The infection source of the COVID-19 cases in the two families was a man who had living history in Wuhan. After his return, his parents were infected by him. A few days later, the members of a neighbor family were found to be infected, and relatives of this family were also infected after dining together repeatedly. Finally, ten confirmed cases and three suspected cases of COVID-19 were detected in the two families.Conclusions:Human-to-human transmission of COVID-19 can occur not only in a family but also in neighborhoods. The cases in two families had close relationship, indicating the necessity to strengthen the health education about COVID-19 prevention and control and the management of groups at high risk to reduce the incidence of COVID-19 in families and neighborhoods.
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