The breadth of protection mediated by anti-N2 neuraminidase antibody responses relies on cross-reactive and not cross-inhibiting antibodies
Laura Amelinck, Anouk Smet, Tine Ysenbaert, Koen Sedeyn, William Warren, Raúl C. Gomila, Thorsten U. Vogel, Xavier Saelens, João Paulo Portela Catani
The study shows that cross-reactive antibodies, not cross-inhibiting ones, are responsible for broad protection against heterologous HxN2 influenza viruses.
bioRxiv · Feb 4, 2026 · PreprintImmunology