Hepatitis of unknown aetiology in children - epidemiological overview of cases reported in Europe, 1 January to 16 June 2022., Romaní Vidal, Adriana, Aisling Vaughan, Innocenti Francesco, Colombe Soledad, Nerlander Lina, Rachwal Natalia, Ciancio Bruno Christian, Aikaterini Mougkou, Carvalho Carlos, Delgado Enrique, et al. , Euro Surveill, 2022 Aug, Volume 27, Issue 31, (2022)