title: A proportionate response to H7N9.
authors.lastname: The Lancet Infectious Diseases
mesh_terms: D000818:Animals; D001717:Birds; D006801:Humans; D009980:Influenza A virus / Q000145:classification* / Q000302:isolation & purification; D005585:Influenza in Birds / Q000453:epidemiology* / Q000821:virology*; D007251:Influenza, Human / Q000453:epidemiology* / Q000821:virology*