دورية أكاديمية
أعرض في EDS

Preparation and efficacy of freeze-dried inactivated vaccine against bovine viral diarrhea virus genotypes 1 and 2, bovine herpes virus type 1.1, bovine parainfluenza-3 virus, and bovine respiratory syncytial virus.

التفاصيل البيبلوغرافية
العنوان: Preparation and efficacy of freeze-dried inactivated vaccine against bovine viral diarrhea virus genotypes 1 and 2, bovine herpes virus type 1.1, bovine parainfluenza-3 virus, and bovine respiratory syncytial virus.
المؤلفون: Abd El Fadeel MR; Department of Rinder Pest like Diseases, Veterinary Serum and Vaccine Research Institute, Agriculture Research Center, Cairo, Egypt., El-Dakhly AT; Department of Lyophilization. Veterinary Serum and Vaccine Research Institute, Agriculture Research Center, Cairo, Egypt., Allam AM; Department of Parasitology and Animal Diseases, Veterinary Research Division, National Research Centre, Giza, Egypt., Farag TK; Department of Parasitology and Animal Diseases, Veterinary Research Division, National Research Centre, Giza, Egypt., El-Kholy AA; Veterinary Serum and Vaccine Research Institute, Agriculture Research Center, Cairo, Egypt.
المصدر: Clinical and experimental vaccine research [Clin Exp Vaccine Res] 2020 Jul; Vol. 9 (2), pp. 119-125. Date of Electronic Publication: 2020 Jul 31.
نوع المنشور: Journal Article
اللغة: English
بيانات الدورية: Publisher: Korean Vaccine Society Country of Publication: Korea (South) NLM ID: 101592344 Publication Model: Print-Electronic Cited Medium: Print ISSN: 2287-3651 (Print) Linking ISSN: 22873651 NLM ISO Abbreviation: Clin Exp Vaccine Res Subsets: PubMed not MEDLINE
أسماء مطبوعة: Original Publication: Seoul : Korean Vaccine Society
مستخلص: Purpose: Bovine respiratory disease is a worldwide health concern in the feedlot cattle causing morbidity and mortality in young with major economic losses to the producer. Programs of vaccination are integral parts of preventive health programs. We aim to prepare and evaluate lyophilized combined inactivated viruses (bovine viral diarrhea virus [BVDV] genotypes 1 and 2, bovine herpes virus type 1.1 [BoHV-1.1], bovine parainfluenza-3 virus [BPI-3V], and bovine respiratory syncytial virus [BRSV]) vaccine using saponin as a solvent and adjuvant in cattle.
Materials and Methods: Lyophilized Pneumo-5 vaccine was formulated to include the inactivated BVDV genotypes 1 and 2, BoHV-1.1, BPI-3V, and BRSV. The saponin solution was used as an adjuvant and solvent. The prepared vaccines were adjusted to contain 1- and 1.5-mg saponin/dose. It was evaluated for its sterility, safety, and potency in mice and calves. The antibody titers in vaccinated calves were measured by virus neutralization test and enzyme-linked immunosorbent assay (ELISA).
Results: The Pneumo-5 vaccine was found to be free from any contaminants and safe in mice. Meanwhile, the vaccine showed safety in calves which inoculated intramuscularly with the double dose of the vaccines. The overall immune response reached its peak in the 2nd-month post-vaccination. The vaccine contained saponin 1.5 mg/dose reached its antibodies peak in the 4th-week post-vaccination. All groups of vaccinated calves with both concentrations of the saponin did not show statistical significance in antibody titers measured by serum neutralization test and/or ELISA.
Conclusion: The prepared vaccine, namely Pneumo-5, and adjuvanted with either 1 or 1.5 mg/dose saponin was proved safe and potent for effectual protection of calves against BVDV genotypes 1 and 2, BoHV-1.1, BPI-3V, and BRSV.
Competing Interests: No potential conflict of interest relevant to this article was reported.
(© Korean Vaccine Society.)
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فهرسة مساهمة: Keywords: Bovine respiratory disease; Freeze drying; Inactivated vaccines; Saponins; Viral vaccines
تواريخ الأحداث: Date Created: 20200901 Latest Revision: 20220416
رمز التحديث: 20221213
مُعرف محوري في PubMed: PMC7445318
DOI: 10.7774/cevr.2020.9.2.119
PMID: 32864368
قاعدة البيانات: MEDLINE
الوصف
تدمد:2287-3651
DOI:10.7774/cevr.2020.9.2.119