A scoping review on the epidemiology and public significance of Brucella abortus in Chinese dairy cattle and humans

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dc.citation.volume18
dc.contributor.authorWang Y
dc.contributor.authorVallée E
dc.contributor.authorHeuer C
dc.contributor.authorWang Y
dc.contributor.authorGuo A
dc.contributor.authorZhang Z
dc.contributor.authorCompton C
dc.date.accessioned2024-07-16T21:46:27Z
dc.date.available2024-07-16T21:46:27Z
dc.date.issued2024-01-31
dc.description.abstractBrucellosis, caused by Brucella spp., is a re-emerging One Health disease with increased prevalence and incidence in Chinese dairy cattle and humans, severely affecting animal productivity and public health. In dairy cattle, B. abortus is the primary causative agent although infections with other Brucella species occur occasionally. However, the epidemiological and comparative importance of B. abortus in dairy cattle and humans remains inadequately understood throughout China due to the heterogeneity in locations, quality, and study methods. This scoping review aims to describe the changing status of B. abortus infection in dairy cattle and humans, investigate the circulating Brucella species and biovars, and identify factors driving the disease transmission by retrieving publicly accessible literature from four databases. After passing the prespecified inclusion criteria, 60 original articles were included in the final synthesis. Although the reported animal-level and farm-level prevalence of brucellosis in dairy cattle was lower compared to other endemic countries (e.g. Iran and India), it has been reported to increase over the last decade. The incidence of brucellosis in humans displayed seasonal increases. The Rose Bengal Test and Serum Agglutination Test, interpreted in series, were the most used serological test to diagnose Brucella spp. in dairy cattle and humans. B. abortus biovar 3 was the predominant species (81.9%) and biovar (70.3%) in dairy cattle, and B. melitensis biovar 3 was identified as the most commonly detected strain in human brucellosis cases. These strains were mainly clustered in Inner Mongolia and Shannxi Province (75.7%), limiting the generalizability of the results to other provinces. Live cattle movement or trade was identified as the key factor driving brucellosis transmission, but its transmission pattern remains unknown within the Chinese dairy sector. These knowledge gaps require a more effective One Health approach to be bridged. A coordinated and evidence-based research program is essential to inform regional or national control strategies that are both feasible and economical in the Chinese context.
dc.description.confidentialfalse
dc.edition.editionJune 2024
dc.identifier.citationWang Y, Vallée E, Heuer C, Wang Y, Guo A, Zhang Z, Compton C. (2024). A scoping review on the epidemiology and public significance of Brucella abortus in Chinese dairy cattle and humans. One Health. 18.
dc.identifier.doi10.1016/j.onehlt.2024.100683
dc.identifier.eissn2352-7714
dc.identifier.elements-typejournal-article
dc.identifier.issn2352-7714
dc.identifier.number100683
dc.identifier.urihttps://mro.massey.ac.nz/handle/10179/70198
dc.languageEnglish
dc.publisherElsevier B.V.
dc.publisher.urihttps://www.sciencedirect.com/science/article/pii/S2352771424000090
dc.relation.isPartOfOne Health
dc.rights(c) 2024 The Author/s
dc.rightsCC BY 4.0
dc.rights.urihttps://creativecommons.org/licenses/by/4.0/
dc.subjectDairy cattle
dc.subjectBrucella abortus
dc.subjectDiagnosis
dc.subjectEpidemiology
dc.subjectOne health
dc.subjectControl strategy
dc.titleA scoping review on the epidemiology and public significance of Brucella abortus in Chinese dairy cattle and humans
dc.typeJournal article
pubs.elements-id486349
pubs.organisational-groupCollege of Health
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