Provincial officials and frontline workers wait in a tent for 3rd vaccine doses ahead of the border reopening, in a photo posted to the Banteay Meanchey Administration's Facebook page on August 9, 2021.

Thousands Pour Back Through Reopened Thai Border

Cambodian returnees from Thailand have surged since the reopening of borders on Friday, local officials said, with migrants trucked in from checkpoints to expanded quarantine centers.

Authorities at the O'Smach International Border Checkpoint check temperatures of Cambodian workers returning from Thailand, in a photograph posted to the Immigration Department's Facebook page on March 23, 2020.

Up to Quarter of Returnees From Thailand Testing Positive for Covid-19

As much as 25 percent of migrant workers coming back from Covid-stricken Thailand are testing positive, according to provincial authorities, as some returnees said they believe they are contracting the disease in crowded quarantine centers along the border.