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.