Episode 11 - IAV-S Mutation risk of a persistent yearround infection

• 17 minutes
• Podcast in Episodes
• Dr. Pia Ryt-Hansen

“People coming into the herd should at least have a vaccination against influenza” - Dr. Pia Ryt-Hansen, University of Copenhagen, Department of Veterinary Clinical and Animal Science

Influenza A virus (IAV-S) can occur constantly within a swine herd, all year round, warns Dr. Pia Ryt-Hansen in Denmark. This persistence provides an ideal environment for the virus to change. A particular risk would arise if visitors or farm staff introduced seasonal strains of human influenza virus.

Running time: 17 minutes

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Interested in more information?

Pia Ryt‑Hansen et al., Longitudinal field studies reveal early infection and persistence of influenza A virus in piglets despite the presence of maternally derived antibodies

Pia Ryt‑Hansen et al., Acute Influenza A virus outbreak in an enzootic infected sow herd: Impact on viral dynamics, genetic and antigenic variability and effect of maternally derived antibodies and vaccination

Pia Ryt‑Hansen et al., Limited impact of influenza A virus vaccination of piglets in an enzootic infected sow herd

Pia Ryt‑Hansen et al., Substantial Antigenic Drift in the Hemagglutinin Protein of Swine Influenza A Viruses