The Public Health Ministry on Friday reported 27 more Covid-related deaths, for a toll of 363, and 2,044 new cases, raising the total to 78,855.
Over the past 24 hours, 2,377 patients were declared recovered and were discharged from hospitals.
In the third wave of Covid-19, starting early last month, there have been 49,992 cases, 21,746 of whom have already recovered.
Panprapa Yongtrakul, assistant spokeswoman for the Centre for Covid-19 Situation Administration, said 18 deaths were in Bangkok, two each in Nonthaburi and Samut Prakan provinces and one each in Pathum Thani, Chaiyaphum, Chachoengsao, Ranong and Rayong.
Fifteen were men and 12 women. They were aged 30-90 years. Seventeen of them had diabetes. Other chronic illnesses included hypertension, heart disease, high cholesterol, obesity, lung disease, rheumatoid arthritis, previous stroke, renal disease, brain disease and cancer.
Thirteen had been in close contact with infected family members, five lived in risk areas, one was a shop owner, another had contact with another confirmed case and one visited a risk area.
The 2,044 new cases were reported in 68 provinces and included 2,040 local infections, 1,820 of which were confirmed at hospitals and 220 via mass testing.
Greater Bangkok recorded 1,372 new cases and the rest of the country logged 668 new cases over the past 24 hours.
Bangkok alone had 869 new cases (up from 739 the previous day), followed by 201 in Nonthaburi, 165 in Samut Prakan, 89 in Chon Buri, 69 in Samut Sakhon, 60 in Surat Thani, 39 in Pathum Thani, 33 in Chiang Mai, 32 in Ayutthaya and 29 each in Nakhon Pathom and Ranong.
Four new cases were quarantined arrivals from Malaysia (three Thais sneaking through the border) and Tanzania.
Of the 78,855 total cases, 49,172 (62%) had recovered and 29,320 were at hospitals, including 1,170 in critical condition and 367 dependent on ventilators.
Global Covid-19 cases rose by 846,453 in 24 hours to 156.68 million. The worldwide death toll went up by 13,774 to 3.26 million. India logged 414,176 new cases for a total of 21.48 million and 3,920 new deaths for a toll of 234,071.
The United States had the most cases at 33.37 million, up 47,819, and the most deaths at 594,006, up 860. Thailand ranked 98th by the number of accumulated Covid-19 cases.