Correction: Simultaneous Aerosol and Intramuscular Immunization with Influenza Vaccine Induces Powerful Protective Local T Cell and Systemic Antibody Immune Responses in Pigs. - Martini V; Paudyal B; Chrun T; McNee A; Edmans M; Atangana Maze E; Clark B; Nunez A; Dolton G; Sewell A; Beverley P; MacLoughlin R; et al. (Journal of immunology (Baltimore, Md. : 1950), 2021)