TY - RPRT TI - H5N1 2.3.4.4b HA E190D and Q226H mutations, picked up as minority variants in a patient, result in an inability to bind sialic acid. AU - Kovacs, E. AU - Rios Carrasco, M. AU - Guerreiro Cabana, M. F. AU - de Vries, R. P. PY - 2026 DO - 10.64898/2026.03.06.710037 UR - https://www.biorxiv.org/content/10.64898/2026.03.06.710037v1 ID - 10.64898/2026.03.06.710037 ER -