A Dutch case of atypical pneumonia after culling of H5N1 positive ducks in Bavaria was found infected with Chlamydophila psittaci Haas, W. H. and Swaan, C M and Meijer, A and Neve, G and Buchholz, U and Beer, M and van Steenbergen, J. E. and Krause, G, Weekly releases (1997–2007), 12, 3320 (2007), https://doi.org/10.2807/esw.12.48.03320-en