Rohaim, M. A., R. F. El-Naggar, M. M. Hamoud, S. A. Nasr, E. Ismael, S. E. Laban, H. A. Ahmed, and M. Munir,  "Re-Emergence of a Novel H5N1 Avian Influenza Virus Variant Subclade 2.2. 1.1 in Egypt During 2014",  Transboundary and emerging diseases, vol. 64, no. 4, pp. 1306?1312, 2017.