Electronic Journal of Differential Equations. Vol. 2008. 2008. P. 1-23
The paper gives the results of using ozeltamivir in patients with influenza during the epidemic upsurge of morbidity in Russia in the 2006-2007 season. Comparative analysis of nucteotide sequences of viral strains isolated from the patients taking ozeltamivir revealed no marker mutations determining the resistance to this chemical.