BANGKOK — Thailand reported more than 1,300 new COVID-19 infections on Wednesday, setting another daily record.

It adds pressure on the government to speed up a nearly nonexistent vaccination drive and do more to control a surge that comes amid mass travel as the country celebrates its traditional New Year festival.

The 1,335 new infections brings the number of new cases to nearly 7,000 since April 1, when a cluster was linked to nightclubs and bars in central Bangkok. Most of the new cases reported Wednesday were yet again in Bangkok. There were also large increases in the northern province of Chiang Mai and the southern seaside province of Prachuap Khiri Khan.

Many of the new infections are a more contagious variant of the virus first found in Britain. Coupled with widespread travel for the Songkran festival, or Thai New Year, that is fueling the surge, said Dr. Opas Karnkavinpong, director-general of the Disease Control Department. The festival officially began Tuesday and lasts for three days, but many people travel for a week.