What Are New PRRS Vaccine Research Findings?

Interferon-Alpha Responses Following PRRS Vaccination and ChallengePRRS Vaccine Research Dr. Jay Calvert, Zoetis, present data on interferon-alpha responses following a porcine reproductive & respiratory syndrome (PRRS) vaccination. Dr. Calvert shares that vaccination of suckling pigs as early as one day old can result in vaccine replication and induction of moderate amount of interferon-alpha.