Singapore now has 10 active Covid-19 clusters.
The latest case is a 59-year-old trailer truck driver who works at Brani Terminal and Pasir Panjang Terminal, said the Ministry of Health (MOH).
The Singaporean employed by GKE Express Logistics was last at work on May 1.
He developed a fever and sore throat on Sunday (May 2), and remained at home.
The next day, he sought medical treatment at a general practitioner clinic and was tested for Covid-19.
His result came back positive on Tuesday, and he was conveyed in an ambulance to Alexandra Hospital. His serology test result is pending, said MOH.
The earliest case in the cluster is a 23-year-old Indian national who works as a lashing specialist at the Pasir Panjang Terminal and was confirmed to have Covid-19 on April 10.