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Flu Hemagglutinin | by NIAID
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Flu Hemagglutinin

3D print of hemagglutinin (HA), one of the proteins found on the surface of influenza virus that enables the virus to infect human cells. In this model, blue and purple denote areas where mutations can change the ability of the virus to attach to host cells and cause infection. For more information, visit the NIH 3D Print Exchange at 3dprint.nih.gov. Credit: NIH

 

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Taken on July 25, 2013