New Flu Strains and Old Antibodies: How Sinful is 'Original Antigenic Sin'? (IMAGE)

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New Flu Strains and Old Antibodies: How Sinful is 'Original Antigenic Sin'?

Caption

Structure of HA from H1N1 virus. The trimer of hemagglutinin (HA) of an H1N1 virus is shown (Protein database number 1RVX). Different antigenic sites are colored and differences between PR8 and S12a HA are shown in black.

Credit

Susanne Linderman and Scott Hensley

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