Avian influenza A(H5N1) in humans: new insights from a line list of World Health Organization confirmed cases, September 2006 to August 2010 Fiebig, L and Soyka, J and Buda, S and Buchholz, U and Dehnert, M and Haas, W, Eurosurveillance, 16, 19941 (2011), https://doi.org/10.2807/ese.16.32.19941-en