Epidemiological Investigation And Analysis Of Brucellosis In Ulanqab City Of Inner Mongolia

In order to understand the epidemic situation of brucellosis in human and livestock in Ulanqab City.This experiment was conducted in 2019.A total of 10025 blood samples were collected from cattle and sheep,including 3292 bovine blood samples and 6733 sheep blood samples.Brucellosis screening was carried out in 11 counties of Ulanqab city from 2017 to 2019.At the same time,in order to understand the infection and incidence of human brucellosis in Ulanqab,11 counties of Ulanqab were screened for brucellosis from 2017 to 2019,and classified and summarized according to region,gender,age,occupation and education level.The results showed that there were 306 positive cases of brucellosis in cattle and sheep,the positive rate was 3.05%;among them,there were 84 positive cases of brucellosis in cattle,the positive rate was 2.55%;there were 222 positive cases of brucellosis in sheep,the positive rate was 3.30%.The positive rate of brucellosis of cattle and sheep is different under different breeding methods,and the positive rate of brucellosis of cattle and sheep in breeding livestock farm is the lowest,the large-scale breeding farm is the highest.Positive cases were found in all months,and the highest incidence rate in cattle was three months in September,August and April.The total number of cases was 37.The highest incidence rate of sheep was three months in March,September and October,with a total number of 84 cases.The distribution of human brucellosis showed that brucellosis occurred in different areas of Ulanqab City,and there was no significant difference.In 2017,the number of positive people in Ulanqab was 550,with a total infection rate of 2.71%.In 2018,the number of positive people in Ulanqab was 397,with a total infection rate of 2.45%.In2019,the number of positive people in Ulanqab was 371,with a total infection rate of2.44%.The incidence rate of Chinese male is higher than that of female;age group 50 to60 is the highest incidence age group;the number of peasants and herdsmen in the visiting staff is significantly surplus to other occupations;the most educated people in primary school are occupation.