The government on Wednesday reported 795 new Covid-19 cases - 783 local infections and 12 imported - raising the total to 21,249.
Taweesilp Visanuyothin of the Centre for Covid-19 Situation Administration said that of the 783 local infections, 759 new cases were found in communities of Samut Sakhon province, and 24 others were confirmed at hospitals.
Samut Sakhon province logged 99.2%, or 777, of the new cases of local infection over the past 24 hours, Bangkok four cases, and other provinces two cases.
The 759 new cases found in communities of Samut Sakhon comprised 662 Myanmar people, 92 Thais, three Cambodians and two Lao people.
Of the 24 cases found at hospitals, 18 were in Samut Sakhon - 11 Myanmar people and seven Thais, four were in Bangkok (three Thais and one Myanmar), and one each in Tak and Maha Sarakham.
The 12 imported cases were quarantined arrivals from a number of countries.
So far, officials had found no substantial evidence of Covid-19 transmission through using public transport. Most cases were linked to contact with family members, work colleagues or friends, Dr Taweesilp said.
Only one case was linked to boat travel, and two cases to trains, he said.
