Virological surveillance report of the NRC influenza for season 2022-2023, Barbezange, Cyril, Denayer Sarah, Dufrasne François, Leen S., Hamouda Assia, van Eycken Reinout, Fdillate Ilham, Yaqoob Saira, and Van Gucht Steven , 2023, Brussels, Belgium, p.38, (2023)