title: From SARS to H7N9: will history repeat itself?
authors.lastname: The Lancet
mesh_terms: D002681:China / Q000453:epidemiology; D004196:Disease Outbreaks / Q000266:history*; D049673:History, 20th Century; D049674:History, 21st Century; D006801:Humans; D009980:Influenza A virus / Q000145:classification / Q000235:genetics; D007251:Influenza, Human / Q000453:epidemiology*; D045169:Severe Acute Respiratory Syndrome / Q000453:epidemiology*