Influenza viruses in general, human strains, shift and drift, vaccination.
van Ranst
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D000818:Animals; D001717:Birds; D004197:Disease Reservoirs / Q000662:veterinary* / Q000821:virology; D006801:Humans; D007252:Influenza Vaccines; D005585:Influenza in Birds / Q000453:epidemiology* / Q000635:transmission; D007251:Influenza, Human / Q000453:epidemiology*; D029521:Alphainfluenzavirus / Q000145:classification / Q000276:immunology / Q000472:pathogenicity*; D013045:Species Specificity
D007252:Influenza Vaccines