"a respiratory disease of unknown etiology that apparently originated in mainland China in 2003; characterized by fever and coughing or difficulty breathing or hypoxia; can be fatal"@en-us . . . "113373576"@en-us . "severe acute respiratory syndrome"@en-us . "0.25"^^ . . . . "severe acute respiratory syndrome"^^ . "SARS"@en-us . . "114179946"^^ . . . . "0.375"^^ . "14179946-n"^^ . . .