title: [Seroimmunity against influenza].
mesh_terms: D000293:Adolescent; D000328:Adult; D000367:Age Factors; D002648:Child; D002675:Child, Preschool; D005860:Germany, West; D006385:Hemagglutination Inhibition Tests; D006801:Humans; D007223:Infant; D007251:Influenza, Human / Q000276:immunology*; D008875:Middle Aged
vernacular_title: Seroimmunität gegen Influenza