{"title":"Contagious ecthyma in small ruminants: from etiology to vaccine challenges - a review.","authors":"Caroline Reichen, Breno Castello Branco Beirão, Alda Lúcia Gomes Monteiro","doi":"10.1007/s11259-025-10677-0","DOIUrl":null,"url":null,"abstract":"<p><p>Orf virus (ORFV) is an epitheliotropic, double-stranded DNA pathogen belonging to the genus Parapoxvirus, and it is the causative agent of contagious ecthyma (CE) in small ruminants. It is an endemic disease on goat and sheep herds around the world. It is often a neglected disease, with impacts on herd health and productivity, while also being an occupational zoonosis. This review explores the causative agent of ovine ecthyma, its epidemiology, and clinical manifestations, with a particular emphasis on its interaction with the host's immune system and the development of ORFV vaccines. Like other members of the Poxviridae family, ORFV expresses numerous immunomodulatory genes, which complicate vaccination efforts and disease management. This review highlights the challenges posed by ORFV in achieving effective immunization and discusses potential vaccine strategies to overcome these obstacles.</p>","PeriodicalId":23690,"journal":{"name":"Veterinary Research Communications","volume":"49 2","pages":"115"},"PeriodicalIF":2.0000,"publicationDate":"2025-02-24","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"Veterinary Research Communications","FirstCategoryId":"97","ListUrlMain":"https://doi.org/10.1007/s11259-025-10677-0","RegionNum":3,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"Q2","JCRName":"VETERINARY SCIENCES","Score":null,"Total":0}
引用次数: 0
Abstract
Orf virus (ORFV) is an epitheliotropic, double-stranded DNA pathogen belonging to the genus Parapoxvirus, and it is the causative agent of contagious ecthyma (CE) in small ruminants. It is an endemic disease on goat and sheep herds around the world. It is often a neglected disease, with impacts on herd health and productivity, while also being an occupational zoonosis. This review explores the causative agent of ovine ecthyma, its epidemiology, and clinical manifestations, with a particular emphasis on its interaction with the host's immune system and the development of ORFV vaccines. Like other members of the Poxviridae family, ORFV expresses numerous immunomodulatory genes, which complicate vaccination efforts and disease management. This review highlights the challenges posed by ORFV in achieving effective immunization and discusses potential vaccine strategies to overcome these obstacles.
期刊介绍：
Veterinary Research Communications publishes fully refereed research articles and topical reviews on all aspects of the veterinary sciences. Interdisciplinary articles are particularly encouraged, as are well argued reviews, even if they are somewhat controversial.
The journal is an appropriate medium in which to publish new methods, newly described diseases and new pathological findings, as these are applied to animals. The material should be of international rather than local interest. As it deliberately seeks a wide coverage, Veterinary Research Communications provides its readers with a means of keeping abreast of current developments in the entire field of veterinary science.
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