The Ministry of Health logged 9,472 COVID-19 infections in Vietnam on Thursday, together with 6,226 discharged patients and 236 deaths.
Thirty-three provinces and cities recorded 9,465 domestic cases while the country reported another seven imported infections, the health ministry said.
The ministry had documented 11,525 locally-infected patients on Wednesday.
Above 5,300 of the latest domestic cases were found in the community, with the remaining detected in sectioned-off areas or centralized quarantine facilities.
Ho Chi Minh City reported 5,052 local infections, down by 383 patients from yesterday; Binh Duong Province 2,764, down by 1,415; Dong Nai Province 760; Long An Province 190; Kien Giang Province 163; An Giang Province 109; Can Tho City 53; Hanoi five; and Da Nang three.
Vietnam has confirmed 723,962 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 tops the list with 358,707 patients, followed by Binh Duong Province with 190,257, Dong Nai Province with 43,122, Long An Province with 31,231, Tien Giang Province with 13,531, Dong Thap Province with 8,155, Khanh Hoa Province with 7,601, Da Nang with 4,887, Hanoi with 4,190, and Ba Ria-Vung Tau Province with 4,099.
By comparison, Vietnam detected a combined 1,570 locally-transmitted infections in the previous three waves.
The health ministry announced 6,226 recoveries on Thursday, taking the total to 493,488.
The toll has increased to 18,017 deaths after the ministry documented 236 fatalities on the same day, including 175 in Ho Chi Minh City and 37 in Binh Duong Province.
Vietnam has recorded 728,435 patients since the COVID-19 pandemic first hit it early last year.
Health workers have given around 36 million vaccine doses, including 463,597 shots on Wednesday, since inoculation was rolled out on March 8.
Over seven 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.