There were 6,343 new Covid-19 cases and 45 more fatalities recorded during the previous 24 hours, the Public Health Ministry announced on Monday morning.
The number of new cases fell from 7,079 announced on Sunday, when the country recorded 47 more deaths.
On Sunday, 7,663 Covid-19 patients left hospitals after recovering from the coronavirus.
Since April 1, when the third wave of Covid-19 began, Thailand has treated 1,995,890 Covid-19 patients, 1,883,083 of whom have recovered to date.
Since the pandemic started early last year, there have been 2,024,753 Covid-19 cases, with 1,910,509 complete recoveries so far.
The death toll stood at 19,987 during the third wave and 20,081 since the beginning of the pandemic.
