Multidrug resistant 2009 A/H1N1 influenza clinical isolate with a neuraminidase I223R mutation retains its virulence and transmissibility in ferrets.

by Erhard van der Vries, Edwin J Veldhuis Kroeze, Koert J Stittelaar, Martin Linster, Anne Van der Linden, Eefje J A Schrauwen, Lonneke M Leijten, Geert van Amerongen, Martin Schutten, Thijs Kuiken, Albert D M E Osterhaus, Ron A M Fouchier, Charles A B Boucher, Sander Herfst
Published 2011-09-01