Abstract:
ObjectiveTo analyze and trace the origin of cluster outbreak of corona virus disease 2019 in a city, and to provide a scientific basis for effective prevention and control.
MethodsAn epidemiological survey was conducted for all the patients and their close contacts by epidemiological investigation of case, and the information was analyzed by combination with the big data of the Public Security Bureau.
ResultsThis cluster epidemic originated from a gymnasium caused 13 cases of infection directly, 38 cases of infection indirectly, and 2 cluster outbreaks.The incidence of corona virus disease 2019 in gymnasium members was 2.64%.
ConclusionsStrengthening the traceability of case and isolating the source of infection can effectively control the spread of disease.