Article ID | Journal | Published Year | Pages | File Type |
---|---|---|---|---|
5536608 | Vaccine | 2017 | 5 Pages |
Abstract
Identifying vaccine strains to control outbreaks of foot-and-mouth disease virus that could spread to new regions is essential for contingency plans. This is the first report on the antigenic/immunogenic relationships of the South American O1/Campos vaccine strain with representative isolates of the three currently active Asian type O topotypes. Virus neutralization tests using O1/Campos post-vaccination sera derived from cattle and pigs predicted for both species acceptable cross-protection, even after single vaccination, established by r1 values and by expectancy of protection using monovalent or polyvalent vaccines. The results indicate that effective oil vaccines containing the O1/Campos strain can be used against Asian isolates, expanding the scope of O1/Campos strain included in vaccine banks to control emergencies caused by Asian viruses, even on single-dose vaccination, and to cover the need of effective vaccines in Asia during systematic vaccination.
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Authors
S. Galdo Novo, V. Malirat, E.D. Maradei, A.M. Espinoza, E. Smitsaart, A.R. Pedemonte, N. Mattion, I.E. Bergmann,