Migrant Covid cases soar updated: 21 Dec 2020 at 13:03 16 People queue to get tested for the Covid-19 coronavirus at a seafood market in Samut Sakhon on Saturday after cases of local infections were detected and linked to a vendor at the market. (AFP file photo) The confirmed Covid-19 caseload in Thailand soared by 382 on Monday, 360 of them migrant workers from Myanmar linked to a wholesale shrimp market in Samut Sakhon, the province bordering Bangkok on the southwestern side. The spike in infections followed the 576 new cases recorded on Sunday. Monday's rise was expected because of ongoing, intensive testing of thousands of migrant workers in the province's fishing industry, mainly in the areas locked down since Saturday night.