Epidemic characteristics of human brucellosis in Tangshan City of Hebei Province / 中华地方病学杂志

ABSTRACT

Objective To analyze the epidemic characteristics and dynamic changes of brucellosis in Tangshan,and explore the influencing factors in different periods,so as to provide a scientific basis for its prevention and control.Methods A retrospective analysis method was used to collect the monitoring data of brucellosis in Tangshan from 1950 to 2016 to understand its three dimension distributions in different periods.Results A total of 2 438 cases of brucellosis were reported from 1950 to 2016,the average incidence rate was 0.48/105,and no death was reported.The peak of the epidemic was in 2015,with an incidence rate of 7.12/105.The onset of the disease was marked by seasonal,the incidence from March to July accounted for 58.4％ (1 425/2 438).Cases were mainly in Qian'an,Laoting and Luannan,especially in Hui people gathering place of Jianchangying Town Qian'an City.Incidence age is mainly concentrated in 45-64 years old,accounted for 59.5％ (1 450/2 438).The sex ratio of men and women was 2.91.0 (1 817621).Most patients were breeders,accounted for 69.3％ (1 689/2 438),followed by farmers,accounted for 14.2％ (346/2 438).The illness sheep was the main source of infection,the number of cases which were directly contacted with illness sheep accounted for 82.5％ (1 888/2 288).Conclusions The infection of human brucellosis in Tangshan shows an increasing trend and widening scope.It is necessary to strengthen personal protection and health education in occupational population,and strengthen quarantine and management in livestock trading to prevent and control brucellosis in Tangshan in the future.