Reappearance in 1979 of a 1968 Hong Kong-like influenza virus.
D000956:Antigens, Viral / Q000032:analysis; D002675:Child, Preschool; D006801:Humans; D009980:Influenza A virus / Q000032:analysis / Q000145:classification / Q000302:isolation & purification*; D007251:Influenza, Human / Q000382:microbiology*; D009693:Nucleic Acid Hybridization; D012367:RNA, Viral
D000956:Antigens, Viral; D012367:RNA, Viral