Table 3

From: Changes in heterosubtypic antibody responses during the first year of the 2009 A(H1N1) influenza pandemic

  1. (A) Number and proportions of individuals per category based on adapted Shannon diversity index (ASDI) versus pre- and post-pandemic periods. (B) Number and proportion of H1.09-positive and -negative individuals per diversity category before (n = 3337) and after (n = 4247) pandemic onset, respectively.
  2. *Category of ‘Broad responders’, defined as showing the highest antibody diversity across recent seasonal human influenza viruses (H1.99, H1.07, H3.03, H3.07), expressed by the Adapted Shannon diversity indices (ASDI).
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