Serum #neutralisation of #H5N1 clade 2.3.4.4b #influenza is largely mediated by #neuraminidase-directed #antibodies, https://www.thelancet.com/journals/lanmic/article/PIIS2666-5247(26)00086-8/fulltext
2/3 of adults tested had antibodies neutralising H5N1 suggesting that they could protect vs this virus. ... this cross-neutralising activity was mediated by N1 NA-directed abs, suggesting importance of NA in the design of future influenza vaccines.

