Epidemiological characteristics of human brucellosis in Guiyang County,2015-2023
Objective To analyze the epidemiological features of human brucellosis in Guiyang County from 2015 to 2023,and to provide a reference basis for improving brucellosis control strategy.Methods We collected the data about brucellosis cases reported in Guiyang County from 2015 to 2023,and then analyzed their epidemiological characteristics by using descriptive methods.Results Seventy cases of brucellosis were reported in Guiyang County from 2015 to 2023,with the average annual reported incidence rate of 1.09/100,000.The reported cases mainly concentrated in April-July,accounting for 68.57％of the total reported cases.The average annual reported incidence rate was higher in males than in females(1.50/100,000 vs.0.65/100,000),with a statistically significant difference(x2=10.31,P＜0.01).The peak age of onset of brucellosis was 36-65 years old,accounting for 77.14％(54/70).Farmers accounted for 74.29％(52/70)of the total reported cases.The average annual reported incidence rate of brucellosis in Yangshi Town was the highest(3.96/100,000).The cases with an interval from symptom onset to diagnosis of＞15 days accounted for 35.72％(25/70).Conclusion The reported incidence rate of human brucellosis in Guiyang County showed a fluctuating upward trend,and the epidemic situation was serious.It is recommended to strictly control the source of animal epidemics,improve the diagnosis and treatment capacities of medical institutions,and do a better job on prevention and control work like monitoring occupational exposure populations and conducting publicity and education.
brucellosisepidemic characteristicprevention and control measure
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