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Table 1 Characteristics of patients according to the outcome of the infections and molecular analysis

From: Frequency of D222G haemagglutinin mutant of pandemic (H1N1) pdm09 influenza virus in Tunisia between 2009 and 2011

Virus strains of influenza A(H1N1)pdm09 Date of sampling GenBank accession number Mutation Age Sex Clinical information
A/Tunisia/20043/2009 12/12/2009 JN037731 K374E 33 Male Severe pneumonia
A/Tunisia/20112/2009 14/12/2009 JN037733 D222E 43 Male Severe pneumonia with acute respiratory syndrome
A/Tunisia/1064/2010 18/01/2010 HM590676 D222G 47 Male Severe pneumonia and death
A/Tunisia/197/2011 04/01/2011 CY080589 K374E 46 Female Severe pneumonia
A/Tunisia/1411/2011 7/02/2011 JN037741 D222G 15 Male Mild case
A/Tunisia/1701/2011 10/02/2011 JN037743 D222G 45 Male Severe pneumonia requiring intensive care
  1. D, aspartic acid; G, glycine; E, glutamic acid; K, lysine.