Efficacy of intradermal vaccination with UNISTRAIN® PRRS in piglets after a heterologous challenge at 24 weeks post-vaccination

Udgivet i

International PRRS Congress, 2015

Forfattere

Simon-Grifé, M.; Fenech, M.; March, R.; Roca, M.; Busquet, M.; Sitjà, M.

Resume

The obtained results allow us to conclude that the duration of immunity of the UNISTRAIN® PRRS vaccine was achieved 24 weeks after vaccination. In addition, UNISTRAIN® PRRS administered in piglets by the intradermal route with a suitable device had a comparable effect on the fast clearance of the virus to IM administration using a traditional syringe and needle. UNISTRAIN® PRRS administered ID or IM appears to be a useful tool to decrease viraemia and thus achieve a reduction in the infection pressure of PRRSV on an infected farm.

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