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Influenza B virus B/Massachusetts/2/2012 BX-51B hemagglutinin antigen (formaldehyde inactivated) is an influenza antigen used in seasonal influenza vaccines.
Influenza B virus B/Massachusetts/2/2012 BX-51B hemagglutinin antigen (formaldehyde inactivated) is an influenza antigen used in seasonal influenza vaccines.
