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- Title
Serological Responses in Cattle following Booster Vaccination against Serotypes 4 and 8 Bluetongue Virus with Two Bivalent Commercial Inactivated Vaccines.
- Authors
Sailleau, Corinne; Postic, Lydie; Chatenet, Xavier; Salat, Olivier; Turpaud, Mathilde; Durand, Benoit; Vitour, Damien; Zientara, Stéphan; Bréard, Emmanuel
- Abstract
Since the outbreak of bluetongue in Northern Europe in 2006, numerous outbreaks involving several serotypes have been observed. Since 2008, compulsory or voluntary vaccination campaigns with inactivated vaccines have been carried out to eradicate these serotypes. In France, serotypes 8 and 4 have been enzootic since 2017, and currently, the majority of vaccinations take place in the context of animal movements, to comply with the regulations of the importing countries. Several vaccine manufacturers have developed inactivated vaccines against serotypes 4 and 8 (mono or bivalent). In this study, we investigated and compared the serological responses to a booster vaccination with two different bivalent inactivated vaccines (BTVPUR suspension injectable® 4 + 8, Boehringer Ingelheim or SYVAZUL ® BTV 4 + 8, Biové) following a primary vaccination with BTVPUR® 4 + 8 in the previous year. The results show that using an alternative vaccine for booster vaccination is at least as effective as using the homologous vaccine. Indeed, the antibody response against BTV-8 is higher in the case of a heterologous vaccination and identical for BTV-4. This information could allow more flexibility in the choice of vaccines used for booster vaccination, particularly in cases where homologous vaccines are in short supply or unavailable.
- Subjects
FRANCE; BOOSTER vaccines; BOEHRINGER Ingelheim Pharmaceuticals Inc.; BLUETONGUE virus; VACCINES; SEROTYPES; ANIMAL mechanics; VACCINATION mandates
- Publication
Viruses (1999-4915), 2022, Vol 14, Issue 12, p2719
- ISSN
1999-4915
- Publication type
Article
- DOI
10.3390/v14122719