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- Title
Efficacy and Immunogenicity of Recombinant Pichinde Virus-Vectored Turkey Arthritis Reovirus Subunit Vaccine.
- Authors
Kumar, Rahul; Porter, Robert E.; Mor, Sunil K.; Goyal, Sagar M.
- Abstract
We created a recombinant live pichinde virus-vectored bivalent codon optimized subunit vaccine that expresses immunogenic Sigma C and Sigma B proteins of turkey arthritis reovirus. The vaccine virus could be transmitted horizontally immunizing the non-vaccinated pen mates. The vaccine was tested for efficacy against homologous (TARV SKM121) and heterologous (TARV O'Neil) virus challenge. Immunized poults produced serum neutralizing antibodies capable of neutralizing both viruses. The vaccinated and control birds showed similar body weights indicating no adverse effect on feed efficiency. Comparison of virus gene copy numbers in intestine and histologic lesion scores in tendons of vaccinated and non-vaccinated birds showed a decrease in the replication of challenge viruses in the intestine and tendons of vaccinated birds. These results indicate the potential usefulness of this vaccine.
- Subjects
IMMUNE response; VIRAL vaccines; ARTHRITIS; VACCINES; VIRAL replication
- Publication
Vaccines, 2022, Vol 10, Issue 4, pN.PAG
- ISSN
2076-393X
- Publication type
Article
- DOI
10.3390/vaccines10040486