Severe acute respiratory syndrome ( SARS ) is a recently described infectious entity with salient features of fever , headache and malaise , with rapid progression to pneumonitis .
The etiology of SARS is likely a novel coronavirus .
Severe acute respiratory syndrome ( SARS ) is a recently described infectious entity with salient features of fever , headache and malaise , with rapid progression to pneumonitis .
The etiology of SARS is likely a novel coronavirus .