immunizes against disease influenza vaccine viral vaccine influenza virus vaccine There is no single 'influenza virus' in NCBI_Taxon. We usually use: ('unidentified influenza virus' or 'Influenzavirus A' or 'Influenzavirus B' or 'Influenzavirus C') However, even this may not be comprehensive. Oliver He vaccine A viral vaccine that protects against infection with influenza virus. Influenza vaccine