Thailand on Thursday reported six new coronavirus cases, all of which were imported from abroad, marking 38 successive days without any domestic transmission.

The new cases were four Thai nationals returning from Indonesia, one from South Africa and one from Sudan, said Panprapa Yongtrakul, a spokeswoman for the government’s COVID-19 Administration Centre. All were detected in state quarantine.

The coronavirus has killed 58 people in Thailand, among 3,179 infections, of which 3,059 patients have recovered.