The Ministry of Health recorded 13,101 domestic coronavirus cases in Vietnam on Sunday, along with over 9,000 recoveries and 281 deaths.
The local cases were logged in 37 provinces and cities while the country reported another 36 imported infections, the health ministry said.
The ministry had documented 9,521 domestically-infected patients on Saturday.
It detected 7,521 of the new cases in the community, with the remainder found in isolated areas or centralized quarantine facilities.
Ho Chi Minh City registered 6,226 domestic infections, Binh Duong Province 3,540, Dong Nai Province 1,243, Long An Province 756, Kien Giang Province 345, Can Tho City 100, Da Nang 64; and Hanoi 53.
Vietnam has confirmed 520,013 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 on top with 251,414 patients, followed by Binh Duong Province with 132,433, Dong Nai Province with 28,549, Long An Province with 25,085, Tien Giang Province with 10,571, Dong Thap Province with 7,422, Khanh Hoa Province with 6,856, Da Nang with 4,588, Hanoi with 3,775, and Ba Ria-Vung Tau Province with 3,685.
By comparison, Vietnam confirmed a combined 1,570 locally-transmitted infections in the previous three waves.
The health ministry announced 9,211 recoveries on Sunday, taking the total to 291,727.
The toll has ascended to 13,074 fatalities after the ministry logged 281 deaths on the same day, including 222 in Ho Chi Minh City and 38 in Binh Duong Province.
Vietnam has registered 524,307 patients since the COVID-19 pandemic first struck it early last year.
Health workers have given around 21.4 million doses, including 336,381 shots on Saturday, since inoculation was rolled out on March 8.
About 3.2 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.