Environmental levels of the antiviral oseltamivir induce development of resistance mutation H274Y in influenza A/H1N1 virus in mallards.
Järhult JD, Muradrasoli S, Wahlgren J, Söderström H, Orozovic G, Gunnarsson G, Bröjer C, Latorre-Margalef N, Fick J, Grabic R, et al. PLoS One. 2011; 6(9):e24742. Epub 2011 Sep 12.