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Volume 8, Number 4—April 2002

Research

Genetic and Antigenic Analysis of the First A/New Caledonia/20/99-like H1N1 Influenza Isolates Reported in the Americas

Luke T. Daum*, Linda C. Canas*, Catherine B. Smith†, Alexander Klimov†, William Huff*, William Barnes*, and Kenton L. Lohman*Comments to Author 
Author affiliations: *Brooks Air Force Base, San Antonio, Texas, USA; †Centers for Disease Control and Prevention, Atlanta, Georgia, USA;

Main Article

Figure 1

The amino acid sequence of the HA1 region of the hemagglutinin of the Peru isolates and A/Beijing/262/95 compared with the 2000/01 and 2001/02 vaccine strain, A/New Caledonia/20/99. Amino acid numbering corresponds to H3 subtype (19), with additional amino acids residues present in the H1 subtype sequence indicated by an asterisk. Residue substitutions are show. A dot (.) indicates amino acid homology to A/New Caledonia/20/99.

Figure 1. The amino acid sequence of the HA1 region of the hemagglutinin of the Peru isolates and A/Beijing/262/95 compared with the 2000/01 and 2001/02 vaccine strain, A/New Caledonia/20/99. Amino acid numbering corresponds to H3 subtype (19), with additional amino acids residues present in the H1 subtype sequence indicated by an asterisk. Residue substitutions are show. A dot (.) indicates amino acid homology to A/New Caledonia/20/99.

Main Article

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