A chimeric influenza hemagglutinin delivered by parainfluenza virus 5 vector induces broadly protective immunity against genetically divergent influenza a H1 viruses in swine. - Li Z; Zaiser SA; Shang P; Heiden DL; Hajovsky H; Katwal P; DeVries B; Baker J; Richt JA; Li Y; He B; Fang Y; et al. (Veterinary microbiology, 2020)