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The long-term efficacy of three commercially available inactivated vaccines against bluetongue virus serotype 8 (BTV-8) (BLUEVAC ® 8, Zulvac ® 8, and BTVPUR ® AlSap 8) was evaluated in a seroprevalence study and challenge experiments. Seroprevalences 1 year after vaccination ranged from 75% to 100%. In two infection experiments, groups of vaccinated sheep and cattle selected...
An inactivated vaccine containing BVDV I and II strains (PT810; BVDV I, and 890; BVDV II) and using different adjuvants and antigen dosages was tested in a cattle challenge model. Groups of six healthy, seronegative cattle were vaccinated twice with a low dose (10 6.6 TCID 50 PT810 and 10 7.2 TCID 50 890) vaccine with the adjuvant Bay R1005...
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