title: Influenza A(H3N2) virus isolations--United States.
mesh_terms: D000328:Adult; D002675:Child, Preschool; D005260:Female; D006801:Humans; D007223:Infant; D053122:Influenza A Virus, H3N2 Subtype; D009980:Influenza A virus / Q000302:isolation & purification*; D008297:Male; D014481:United States