[Avian influenza. A continual threat to human beings].
Reina
Jordi
J
D000818:Animals; D001717:Birds; D004196:Disease Outbreaks / Q000517:prevention & control*; D004199:Disease Vectors; D006801:Humans; D009980:Influenza A virus / Q000302:isolation & purification* / Q000472:pathogenicity; D005585:Influenza in Birds / Q000453:epidemiology* / Q000635:transmission; D007251:Influenza, Human / Q000453:epidemiology / Q000635:transmission