title: Déjà vu: swine flu.
authors: Reuben K M
authors: RK
authors: Wong
mesh_terms: D004196:Disease Outbreaks; D006801:Humans; D007251:Influenza, Human / Q000453:epidemiology* / Q000628:therapy*; D007391:International Cooperation; D010356:Patient Isolation; D045169:Severe Acute Respiratory Syndrome / Q000453:epidemiology* / Q000628:therapy*; D012846:Singapore; D014944:World Health Organization