Of the new cases, 80 were exposed to the virus while visiting high-risk areas, 49 of whom were found in Samut Sakhon, eight in Bangkok, five in Tak and the rest in other provinces.
Proactive testing confirmed 217 cases, which included 196 foreigners and 16 Thais in Samut Sakhon and five Myanmar nationals in Bangkok.
Of the 12 returnees, four are Thais with one each returning from the United Arab Emirates, Italy, Sudan and Sri Lanka.
Also testing positive was a Portuguese national from the UK, a Dutch national from Germany, and one each from Estonia, Italy, Sudan, Switzerland, Britain and Lebanon.
Meanwhile, 382 patients have recovered and been discharged.
As of Friday, the number of confirmed cases in Thailand had risen to 13,104. Of these, 10,765 infections had been contracted domestically, including 4,384 who were found via proactive testing, while 2,339 were returnees. So far, 10,224 have fully recovered, 2,809 patients are still in hospital and the death toll remains unchanged at 71.
According to Worldometer, as of midnight on Thursday, the number of confirmed cases globally had risen to 98 million (up by 664,932), 70.47 million have recovered, 25.52 million are active cases (111,345 in severe condition) and 2.1 million have died (up by 16,578).
Thailand ranks 128th on the global list of most cases. The US tops the list with 25.19 million, followed by India 10.63 million, Brazil 8.69 million, Russia 3.66 million and the United Kingdom 3.54 million.