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Volume 15, Number 6—June 2009

Dispatch

Oseltamivir- and Amantadine-Resistant Influenza Viruses A (H1N1)

Peter K.C. Cheng, Tommy W.C. Leung, Eric C.M. Ho, Peter C.K. Leung, Anita Y.Y. Ng, Mary Y.Y. Lai, and Wilina W.L. LimComments to Author 
Author affiliations: Centre for Health Protection, Hong Kong Special Administrative Region, People’s Republic of China

Main Article

Figure

Phylogenetic analysis of the hemagglutinin gene (A), neuraminidase gene (B), and matrix gene (C) of influenza virus (H1N1). The 3 clade 2C viruses with double resistance are indicated by circles, the 3 clade 2B viruses with amantadine resistance are indicated by triangles, and A/Brisbane/59/2007 and A/Hong Kong/2652/2006 are indicated by squares. Scale bars indicate 0.5% difference in nucleotide sequence.

Figure. Phylogenetic analysis of the hemagglutinin gene (A), neuraminidase gene (B), and matrix gene (C) of influenza virus (H1N1). The 3 clade 2C viruses with double resistance are indicated by circles, the 3 clade 2B viruses with amantadine resistance are indicated by triangles, and A/Brisbane/59/2007 and A/Hong Kong/2652/2006 are indicated by squares. Scale bars indicate 0.5% difference in nucleotide sequence.

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