Singapore's Health Ministry is investigating a Malaysian truck driver who was denied entry into the republic on Feb 18 after testing positive for Covid-19 using an antigen rapid test (ART) at Woodlands Checkpoint.

The ministry said the polymerase chain reaction (PCR) test of the freelance delivery person came back positive for Covid-19 the next day.

The ministry said his previous trip to Singapore was on Feb 8, when he tested negative for Covid-19 at the checkpoint...