Milder, F. J., Jongeneelen, M., Ritschel, T., Bouchier, P., Bisschop, I. J. M., de Man, M., … Langedijk, J. P. M. (2022). Universal stabilization of the influenza hemagglutinin by structure-based redesign of the pH switch regions. Proceedings of the National Academy of Sciences of the United States of America PNAS, 119(6), e2115379119 (8 pp.). https://doi.org/10.1073/pnas.2115379119