Has Epizootic Become Enzootic? Evidence for a Fundamental Change in the Infection Dynamics of Highly Pathogenic Avian Influenza in Europe, 2021., Pohlmann, Anne, King Jacqueline, Fusaro Alice, Zecchin Bianca, Banyard Ashley C., Brown Ian H., Byrne Alexander M. P., Beerens Nancy, Yuan Liang, Heutink Rene, et al. , mBio, 2022 Aug 30, Volume 13, Issue 4, (2022)