Of the 48 exposed to the disease while visiting high-risk areas, Samut Sakhon had the most cases with 33, followed by seven cases in Pathum Thani and three in Ang Thong.
Meanwhile, proactive testing led to the discovery of 38 cases, mostly in Samut Sakhon (27), Pathum Thani (10), and Ang Thong (1).
Of the overseas travellers found to be infected in quarantine facilities, two Thais had returned from Oman and the United States, a Briton had arrived from Brazil, a Bahraini from Kuwait, a German, and a Zimbabwe national from their respective countries.
Meanwhile, 156 patients have recovered and been discharged.
Thailand has so far confirmed 25,415 cases, 22,719 of which were domestic cases while 2,696 others referred to imported cases.
So far, 24,285 patients have fully recovered and been released from hospitals while 1,047 others are currently hospitalized and 83 fatalities have been reported.
According to Worldometer, as of 10am on Sunday, the number of confirmed cases globally had risen to 111.64 million (up by 372,396), 86.81 million have recovered, 22.3 million are active cases (94,448 in severe condition) and 2.47 million have died (up by 8,446).
Thailand ranks 113th on the global list of most cases, which is topped by the US with 28.7 million, followed by India 11 million, Brazil 10.13 million, Russia 4.15 million and the United Kingdom 4.1 million. - The Nation Thailand/ANN