noun
severe acute respiratory syndrome; SARS
Medical term for the viral respiratory illness caused by SARS-CoV. Often referred to by the abbreviation SARS in both English and Japanese contexts.
2003年に重症急性呼吸器症候群（SARS）が世界的に流行した。
In 2003, severe acute respiratory syndrome (SARS) spread globally.
COVID-19, caused by SARS-CoV-2, is a different disease from SARS, though both are coronaviruses.
A direct translation of the English medical term 'severe acute respiratory syndrome', composed of 重症 (severe), 急性 (acute), 呼吸器 (respiratory), and 症候群 (syndrome).