title: [Influenza: an old problem from a new perspective].
authors.affiliation: Département Epidémiologie-Toxicologie, Institut Scientifique de Santé Publique.
authors.forename: R
authors.initials: R
authors.lastname: Snacken
mesh_terms: D000818:Animals; D001717:Birds; D006801:Humans; D005585:Influenza in Birds / Q000453:epidemiology* / Q000517:prevention & control; D007251:Influenza, Human / Q000453:epidemiology* / Q000517:prevention & control