Case 231 is an imported case involving a 78 year-old male Australian national who is a Singapore Work Pass holder, and had been in the United States from 23 February to 14 March. He is currently warded in an isolation room at the Singapore General Hospital (SGH). He is a family member of Case 232.

He reported onset of symptoms on 4 March. He presented at the emergency department of SGH on 14 March, and subsequent test results confirmed COVID-19 infection on 15 March afternoon.

He stays in the Robertson Quay area.

He was discharged from the hospital on 2 April.