Abstract:
Objective To investigate the causes of brucellosis outbreaks in two natural villages in Huating and Jingchuan counties, Pingliang prefecture, Gansu province in 2023, and provide reference for brucellosis prevention and control in the future.
Methods A field epidemiological investigation and laboratory detection were conducted to trace the sources and identify the transmission routes of the two outbreaks. Descriptive epidemiological method was used to analyze the case investigation and experiment results.
Results In Huating, a total of 4 cases were found in a natural village, in whom 3 were farmers and 1 was student. The cases occurred from January 28th to March 27th in 2023. The serological test results showed that 13 domestic sheep were positive for Brucella. In Jingchuan, a total of 3 cases were found in a natural village, in whom 2 were farmers and 1 was student. The cases occurred from May 18th to June 7th in 2023. The serological test results showed that one domestic cow were positive for Brucella.
Conclusion The main cause of the two outbreaks of brucellosis in Pingliang was the close contact with infected domestic cattle and sheep and their abortion products. It is suggested to strengthen the health education about brucellosis in rural areas, especially in livestock breeding farmers, standardize livestock transport and quarantine process and conduct joint prevention and control to protect people's health.
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