title: SARS--unprecedented global response to a newly emerging disease.
mesh_terms: D003140:Communicable Disease Control; D021821:Communicable Diseases, Emerging / Q000635:transmission / Q000821:virology*; D017934:Coronavirus; D014943:Global Health; D006801:Humans; D045473:Severe acute respiratory syndrome-related coronavirus; D045169:Severe Acute Respiratory Syndrome / Q000635:transmission / Q000821:virology*