title: Infectious diseases. Avian influenza makes a comeback, reviving pandemic worries.
authors.forename: Dennis
authors.initials: D
authors.lastname: Normile
authors.forename: Martin
authors.initials: M
authors.lastname: Enserink
mesh_terms: D000818:Animals; D001208:Asia / Q000453:epidemiology; D001717:Birds; D004196:Disease Outbreaks / Q000662:veterinary; D019143:Evolution, Molecular; D006801:Humans; D009980:Influenza A virus / Q000235:genetics / Q000472:pathogenicity*; D005585:Influenza in Birds / Q000453:epidemiology* / Q000821:virology; D007251:Influenza, Human / Q000453:epidemiology* / Q000821:virology*; D011200:Poultry; D011995:Recombination, Genetic