{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,11,5]],"date-time":"2026-11-05T12:38:53Z","timestamp":1793882333680,"version":"4.7.0"},"reference-count":54,"publisher":"MDPI AG","issue":"7","license":[{"start":{"date-parts":[[2024,7,20]],"date-time":"2024-07-20T00:00:00Z","timestamp":1721433600000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"funder":[{"name":"Canadian International Food Security Research Fund"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Vaccines"],"abstract":"<jats:p>Capripoxviruses are the causative agents of sheeppox, goatpox, and lumpy skin disease (LSD) in cattle, which cause economic losses to the livestock industry in Africa and Asia. Capripoxviruses are currently controlled using several live attenuated vaccines. It was previously demonstrated that a lumpy skin disease virus (LSDV) field isolate from Warmbaths (WB) South Africa, ORF 005 (IL-10) gene-deleted virus (LSDV WB005KO), was able to protect sheep and goats against sheeppox and goatpox. Subsequently, genes encoding the protective antigens for peste des petits ruminants (PPR) and Rift Valley fever (RVF) viruses have been inserted in the LSDV WB005KO construct in three different antigen forms (native, secreted, and fusion). These three multivalent vaccine candidates were evaluated for protection against PPR using a single immunization of 104 TCID50 in sheep. The vaccine candidates with the native and secreted antigens protected sheep against PPR clinical disease and decreased viral shedding, as detected using real-time RT-PCR in oral and nasal swabs. An anamnestic antibody response, measured using PPR virus-neutralizing antibody response production, was observed in sheep following infection. The vaccine candidates with the antigens expressed in their native form were evaluated for protection against RVF using a single immunization with doses of 104 or 105 TCID50 in sheep and goats. Following RVF virus infection, sheep and goats were protected against clinical disease and no viremia was detected in serum compared to control animals, where viremia was detected one day following infection. Sheep and goats developed RVFV-neutralizing antibodies prior to infection, and the antibody responses increased following infection. These results demonstrate that an LSD virus-vectored vaccine candidate can be used in sheep and goats to protect against multiple viral infections.<\/jats:p>","DOI":"10.3390\/vaccines12070805","type":"journal-article","created":{"date-parts":[[2024,7,23]],"date-time":"2024-07-23T11:40:36Z","timestamp":1721734836000},"page":"805","update-policy":"https:\/\/doi.org\/10.3390\/mdpi_crossmark_policy","source":"Crossref","is-referenced-by-count":5,"title":["The Development of a Multivalent Capripoxvirus-Vectored Vaccine Candidate to Protect against Sheeppox, Goatpox, Peste des Petits Ruminants, and Rift Valley Fever"],"prefix":"10.3390","volume":"12","author":[{"ORCID":"https:\/\/orcid.org\/0000-0001-9924-8126","authenticated-orcid":false,"given":"Hani","family":"Boshra","sequence":"first","affiliation":[{"name":"National Centre for Foreign Animal Disease, Canadian Food Inspection Agency, Winnipeg, MB R3E 3M4, Canada"},{"name":"Department of Pathology, Fundamental and Applied Research for Animals and Health (FARAH), Faculty of Veterinary Medicine, University of Li\u00e8ge, 4000 Li\u00e8ge, Belgium"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Graham A. D.","family":"Blyth","sequence":"additional","affiliation":[{"name":"National Centre for Foreign Animal Disease, Canadian Food Inspection Agency, Winnipeg, MB R3E 3M4, Canada"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-0707-7452","authenticated-orcid":false,"given":"Thang","family":"Truong","sequence":"additional","affiliation":[{"name":"National Centre for Foreign Animal Disease, Canadian Food Inspection Agency, Winnipeg, MB R3E 3M4, Canada"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-8829-5127","authenticated-orcid":false,"given":"Andrea","family":"Kroeker","sequence":"additional","affiliation":[{"name":"National Centre for Foreign Animal Disease, Canadian Food Inspection Agency, Winnipeg, MB R3E 3M4, Canada"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Pravesh","family":"Kara","sequence":"additional","affiliation":[{"name":"ARC-Onderstepoort Veterinary Research, Onderstepoort, Pretoria 0110, South Africa"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-7455-2738","authenticated-orcid":false,"given":"Arshad","family":"Mather","sequence":"additional","affiliation":[{"name":"ARC-Onderstepoort Veterinary Research, Onderstepoort, Pretoria 0110, South Africa"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"David","family":"Wallace","sequence":"additional","affiliation":[{"name":"ARC-Onderstepoort Veterinary Research, Onderstepoort, Pretoria 0110, South Africa"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-1265-7264","authenticated-orcid":false,"given":"Shawn","family":"Babiuk","sequence":"additional","affiliation":[{"name":"National Centre for Foreign Animal Disease, Canadian Food Inspection Agency, Winnipeg, MB R3E 3M4, Canada"},{"name":"Department of Immunology, Max Rady College of Medicine, University of Manitoba, Winnipeg, MB R3E 0T5, Canada"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"1968","published-online":{"date-parts":[[2024,7,20]]},"reference":[{"key":"ref_1","doi-asserted-by":"crossref","first-page":"217","DOI":"10.1016\/j.antiviral.2013.02.016","article-title":"Capripoxvirus-vectored vaccines against livestock diseases in africa","volume":"98","author":"Boshra","year":"2013","journal-title":"Antivir. 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