Structural basis for receptor specificity of influenza B virus hemagglutinin

franklin submitted, created time 1 year 2 months (www.pnas.org)

Receptor-binding specificity of HA, the major surface glycoprotein of influenza virus, primarily determines the host ranges that the virus can infect. Influenza type B virus almost exclusively infects humans and contributes to the annual "flu" sickness.

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