SARS-CoV-2 Infection in Captive Hippos (Hippopotamus amphibius), Belgium, Vercammen, Francis, Cay Ann Brigitte, Gryseels Sophie, Balmelle Nadège, Joffrin Léa, Van Hoorde Koenraad, Verhaegen Bavo, Mathijs Elisabeth, Van Vredendaal Rianne, Dharmadhikari Tanmay, et al. , Animals, Jan-01-2023, Volume 13, Issue 2, (2023)