Seasonal influenza vaccines typically fail to induce cross-protective antibody responses. Here, Van Reeth et al. sequentially vaccinate pigs with diverse H1N1 viruses and show that this strategy induces antibodies against a panel of H1N1 strains from swine and humans and protects against antigenically mismatched strains.
- Kristien Van Reeth
- Anna Parys
- Elien Vandoorn
