Wild ducks excrete highly pathogenic avian influenza virus H5N8 (2014-2015) without clinical or pathological evidence of disease. - van den Brand, Judith M. A.; Verhagen, Josanne H.; Veldhuis Kroeze, Edwin J. B.; van de Bildt, Marco W. G.; Bodewes, Rogier; Herfst, Sander; Richard, Mathilde; Lexmond, Pascal; Bestebroer, Theo M.; Fouchier, Ron A. M.; Kuiken, Thijs (Emerging microbes & infections, 2018)