There were 80 Covid-19 fatalities and 11,305 new cases recorded on Monday, the Public Health Ministry reported on Tuesday morning.
There were 10,710 cases in the general population and 595 among prison inmates.
On Monday, 6,557 Covid-19 patients were diagnosed recovered and were discharged from hospitals.
Since April 1, around when the third wave of Covid-19 began, there have been 397,612 Covid-19 patients, 268,782 of whom have recovered.
Since the pandemic started early last year, there have been 426,475 Covid-19 cases, 296,208 of whom recovered.
The death toll was at 3,408 in the third wave and 3,502 from the beginning of the pandemic early last year.
The toll was down slightly from 11,784 new cases and 81 deaths on Sunday, as reported on Monday.
According to the daily afternoon briefing on Tuesday, the 80 fatalities were aged 14-94 years. Seventy-six were Thais, two were Myanmar nationals and the two others from Laos and France. Forty-eight of them had hypertension but six had no chronic illness. Twenty-five either lived in or visited outbreak areas, 16 caught the virus from other family members and 13 visited crowded areas.
Bangkok recorded 41 more deaths while adjacent Patnum Thani and Samut Prakan had two each.
In the South there were 14 fatalities - in Pattani (6), Songkhla (3), Narathiwat (3), Trang (1) and Surat Thani (1).
The East had 12 - five fatalities in Chon Buri, two each in Sa Kaeo and Chachoengsao and one each in Prachin Buri, Rayong and Trat. The Northeast had four more deaths - in Ubon Ratchathani (2), Kalasin (1) and Nakhon Ratchasima (1). Elsewhere, Chiang Rai, Kamphaeng Phet, Suphan Buri and Ayutthaya reported one death each.
The 11,305 new cases included 10,696 local infections spread through 76 provinces. Mae Hong Son was the only province not to report a new case.
Of the local infections, 8,599 were confirmed at hospitals and 2,097 via mass testing. Bangkok logged the most new cases, 2,764, followed by 798 in Samut Sakhon, 673 in Samut Prakan, 537 in Chon Buri, 476 in Pathum Thani, 386 in Nonthaburi, 371 in Nakhon Pathom, 263 in Pattani, 198 in Ayutthaya and 185 in Chachoengsao.
Greater Bangkok recorded 5,468 new cases and 45 more fatalities. The four southernmost border provinces had a total of 671 new cases and 12 fatalities.
Twenty-four provinces had more than 100 new cases each, 19 provinces had 51-100 new cases and 28 provinces had 11-50 new cases each.
Samut Prakan had a new cluster of 10 cases at a rope factory in Phra Samut Chedi district. There were 14 imported cases from Myanmar (8 including 4 illegal Myanmar migrants), the United Arab Emirates (2), Indonesia (1) and Malaysia (3).
On Monday, 126,765 patients received treatment for Covid-19 at hospitals. Of them, 73,591 were at conventional hospitals and 53,174 at field hospitals. There were 3,711 severely ill patients, 855 of them dependent on ventilators.
Over the previous 24 hours, 248,648 people were inoculated against Covid-19, for a total of 14.55 million vaccinated people - 11.07 million with the first jab and 3.48 million with a second dose.
Globally, Covid-19 cases rose by 418,270 in 24 hours to 191.71 million. The worldwide death toll went up by 6,840 to 4.11 million. The United States had the most cases at 35.02 million, up 24,266, and the most deaths at 624,983, up 121. Thailand ranked 52nd globally with its 426,475 accumulated cases.
