The Ministry of Health announced 12,680 coronavirus infections in Vietnam on Wednesday, along with 13,937 recovered patients and 434 fatalities.
Thirty-nine provinces and cities logged 12,663 local cases whereas the nation registered another 17 imported infections, the health ministry said.
The ministry had documented 14,193 domestically-infected patients on Tuesday.
More than 7,800 of the new domestic cases were detected in the community, with the remaining found in isolated areas or centralized quarantine facilities.
Ho Chi Minh City reported 7,308 local infections, Binh Duong Province 3,172, Dong Nai Province 814, Long An Province 372, Tien Giang Province 171, Can Tho City 83, Hanoi 40, and Da Nang 30.
Vietnam has confirmed 559,346 community transmissions in 62 out of its 63 provinces and cities since the fourth – and worst – virus wave emerged in the country on April 27.
Ho Chi Minh City is hit the hardest with 273,154 patients, followed by Binh Duong Province with 141,765, Dong Nai Province with 31,179, Long An Province with 26,804, Tien Giang Province with 11,159, Dong Thap Province with 7,650, Khanh Hoa Province with 7,062, Da Nang with 4,715, Hanoi with 3,893, and Ba Ria-Vung Tau Province with 3,780.
By comparison, Vietnam confirmed a combined 1,570 locally-transmitted infections in the previous three waves.
The health ministry announced 13,937 recoveries on Wednesday, bringing the total to 325,647.
The toll has mounted to 14,125 fatalities after the ministry logged 434 deaths on the same day, including 268 in Ho Chi Minh City and 34 in Binh Duong Province.
Vietnam has documented 563,676 patients since the COVID-19 pandemic first struck it early last year.
Health workers have administered around 23.5 million vaccine doses, including 771,937 shots on Tuesday, since inoculation was rolled out on March 8.
Over 3.7 million people have been fully vaccinated.
Health authorities aim to immunize at least two-thirds of a population of nearly 98 million people against COVID-19 by the first quarter of next year.