From:
Nature 442, 37 (6 July 2006) | doi:10.1038/442037a; Received 26 May 2006; Accepted 13 June 2006; Published online 5 July 2006
Avian Flu: Multiple introductions of H5N1 in Nigeria
M. F. Ducatez1, C. M. Olinger1, A. A. Owoade2, S. De Landtsheer1, W. Ammerlaan1, H. G. M. Niesters3, A. D. M. E. Osterhaus3, R. A. M. Fouchier3 and C. P. Muller1