Table 4.

Study characteristics of seroprevalence of Brucella infection in Chinese humans.

Study period	Study type	Province	Tests	Source population	Population selection method	Sample size	Prevalence (%)	References
2004–2010	Cohort	Zhejiang	RBT + SAT	Occupation-associated	Convenient sampling	10,430	2.0	[32]
2005	Cross-sectional	Fujian	SAT	Occupation-associated	Convenient sampling	1321	3.2	[67]
2008–2020	Cohort	Shannxi	RBT + SAT	Occupation-associated	Convenient sampling	179,907	4.3	[62]
2010–2012	Cohort	Sichuan	RBT + SAT	Occupation-associated	Convenient sampling	450	4.4	[68]
2010–2014	Cohort	Inner Mongolia	SAT	Occupation-associated	Stratified randomized sampling	838,956	3.6	[69]
2012–2016	Cohort	Inner Mongolia	RBT + SAT	Suspected populations	Convenient sampling	1,102,304	3.8	[70]
2013	Cross-sectional	Inner Mongolia	RBT + SAT	Occupation-associated	Census sampling	13,098	1.8	[71]
2014–2021	Cohort	Shannxi	RBT + SAT	Occupation-associated	Convenient sampling	4263	1.4	[72]
2016	Cross-sectional	Jiangsu	RBT + SAT	Occupation-associated	Convenient sampling	895	16.4	[73]
2016–2020	Cohort	Fujian	SAT	Occupation-associated	Not available	4934	1.7	[74]
2019–2020	Cross-sectional	Shanxi and Xinjiang	SAT	Occupation-associated	Simple randomized sampling	2384	2.6	[75]

RBT: Rose Bengal Test; SAT: Serum Agglutination Test.