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A review of the epidemiological, clinical, and pathological aspects of malignant catarrhal fever in Brazil.
Braz J Microbiol. 2020 Jun 15 [Online ahead of print]BJ

Abstract

Sheep-associated malignant catarrhal fever (SA-MCF), the form of MCF that occurs in Brazil, is a severe, frequently fatal, infectious disease caused by ovine gammaherpesvirus-2 (OvHV-2), in which sheep are the asymptomatic hosts and cattle and other cloven-hoofed animals are the accidental hosts. This review provides a critical analysis of the historical, epidemiological aspects and the estimated economic impacts associated with SA-MCF in Brazil. Moreover, the clinical manifestations and pathological lesions associated with SA-MCF in cattle are reviewed and discussed and the phylogenetic distribution of OvHV-2 in Brazil is presented. OvHV-2 is the only MCF virus identified in animals from Brazil. It is recommended that a histopathologic diagnosis of SA-MCF be based on all aspects of vascular disease in the affected animal and not only lymphocytic/necrotizing vasculitis and/or fibrinoid change. Conformation of the intralesional participation of OvHV-2 in these alterations can be achieved by immunohistochemistry and/or in situ hybridization assays. Additionally, it is proposed that OvHV-2 should be considered as a possible infectious disease agent associated with the development of bovine respiratory disease in cattle. Furthermore, the possible role of the small intestine in the dissemination of OvHV-2 is discussed.

Authors+Show Affiliations

Laboratory of Animal Pathology, Department of Veterinary Preventive Medicine, Universidade Estadual de Londrina, Rodovia Celso Garcia Cid, PR 445 Km 380, Campus Universitário, PO Box 10.011, Paraná, 86057-970, Brazil. selwyn.headley@uel.br.Laboratory of Animal Pathology, Department of Veterinary Preventive Medicine, Universidade Estadual de Londrina, Rodovia Celso Garcia Cid, PR 445 Km 380, Campus Universitário, PO Box 10.011, Paraná, 86057-970, Brazil.Animal Disease Research Unit, Agricultural Research Service, United States Department of Agriculture, Pullman, WA, 99164-6630, USA.

Pub Type(s)

Journal Article
Review

Language

eng

PubMed ID

32542424

Citation

Headley, Selwyn Arlington, et al. "A Review of the Epidemiological, Clinical, and Pathological Aspects of Malignant Catarrhal Fever in Brazil." Brazilian Journal of Microbiology : [publication of the Brazilian Society for Microbiology], 2020.
Headley SA, de Oliveira TES, Cunha CW. A review of the epidemiological, clinical, and pathological aspects of malignant catarrhal fever in Brazil. Braz J Microbiol. 2020.
Headley, S. A., de Oliveira, T. E. S., & Cunha, C. W. (2020). A review of the epidemiological, clinical, and pathological aspects of malignant catarrhal fever in Brazil. Brazilian Journal of Microbiology : [publication of the Brazilian Society for Microbiology]. https://doi.org/10.1007/s42770-020-00273-6
Headley SA, de Oliveira TES, Cunha CW. A Review of the Epidemiological, Clinical, and Pathological Aspects of Malignant Catarrhal Fever in Brazil. Braz J Microbiol. 2020 Jun 15; PubMed PMID: 32542424.
* Article titles in AMA citation format should be in sentence-case
TY - JOUR T1 - A review of the epidemiological, clinical, and pathological aspects of malignant catarrhal fever in Brazil. AU - Headley,Selwyn Arlington, AU - de Oliveira,Thalita Evani Silva, AU - Cunha,Cristina Wetzel, Y1 - 2020/06/15/ PY - 2020/02/16/received PY - 2020/04/09/accepted PY - 2020/6/17/entrez KW - Cattle disease KW - Diagnosis KW - Histopathology KW - Malignant catarrhal fever KW - Ovine gammaherpesvirus-2 KW - Vascular alterations JF - Brazilian journal of microbiology : [publication of the Brazilian Society for Microbiology] JO - Braz. J. Microbiol. N2 - Sheep-associated malignant catarrhal fever (SA-MCF), the form of MCF that occurs in Brazil, is a severe, frequently fatal, infectious disease caused by ovine gammaherpesvirus-2 (OvHV-2), in which sheep are the asymptomatic hosts and cattle and other cloven-hoofed animals are the accidental hosts. This review provides a critical analysis of the historical, epidemiological aspects and the estimated economic impacts associated with SA-MCF in Brazil. Moreover, the clinical manifestations and pathological lesions associated with SA-MCF in cattle are reviewed and discussed and the phylogenetic distribution of OvHV-2 in Brazil is presented. OvHV-2 is the only MCF virus identified in animals from Brazil. It is recommended that a histopathologic diagnosis of SA-MCF be based on all aspects of vascular disease in the affected animal and not only lymphocytic/necrotizing vasculitis and/or fibrinoid change. Conformation of the intralesional participation of OvHV-2 in these alterations can be achieved by immunohistochemistry and/or in situ hybridization assays. Additionally, it is proposed that OvHV-2 should be considered as a possible infectious disease agent associated with the development of bovine respiratory disease in cattle. Furthermore, the possible role of the small intestine in the dissemination of OvHV-2 is discussed. SN - 1678-4405 UR - https://www.unboundmedicine.com/medline/citation/32542424/A_review_of_the_epidemiological,_clinical,_and_pathological_aspects_of_malignant_catarrhal_fever_in_Brazil L2 - https://dx.doi.org/10.1007/s42770-020-00273-6 DB - PRIME DP - Unbound Medicine ER -
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