The Ministry of Health confirmed almost 6,000 COVID-19 infections in Vietnam on Sunday, including nearly 4,700 domestic cases in Ho Chi Minh City.
These figures are new highs since the first coronavirus patient was recorded in the country early last year.
The ministry logged 5,887 locally-infected patients in 33 provinces and cities, together with 39 imported cases, the ministry said in an evening report.
A total of 4,960 domestically-acquired infections were found in centralized quarantine facilities or isolated areas.
Ho Chi Minh City documented 4,692 of the latest domestic infections, Binh Duong Province 345, Dong Nai Province 147, and Dong Thap Province 101.
The Southeast Asian country has registered over 2,000 cases daily during this week, particularly 2,367 on Monday, 2,296 on Tuesday, 2,924 on Wednesday, 3,379 on Thursday, 3,321 on Friday, and 3,705 on Saturday.
The health ministry announced 355 recoveries on Sunday, taking the total to 10,667 patients.
It also recorded 29 virus-related fatalities registered from July 4 to 17 in Ho Chi Minh City, Long An, Binh Duong, Dong Thap, Bac Giang, Da Nang, and Hanoi.
Since April 27, when the fourth and worst virus wave broke out in Vietnam, the country has detected 50,201 community cases, 7,893 of whom have recovered, according to the health ministry's data.
Ho Chi Minh City is taking the lead with 31,391 infections, followed by Bac Giang with 5,732 patients, Binh Duong with 2,644, Bac Ninh with 1,690, and Dong Thap with 1,320.
By comparison, Vietnam confirmed 106 community cases in the first wave from January 23 to April 16, 2020, 554 in the second from July 25 to December 1, 2020, and 910 in the third from January 28 to March 25, 2021.
The nation has overall recorded 51,771 domestic and 2,059 imported cases since the COVID-19 pandemic first hit it on January 23, 2020.
Nearly 4.3 million vaccine shots have been administered to medical workers, teachers, factory workers, and other frontline staff since Vietnam rolled out inoculation on March 8.
Almost 305,000 people have been fully vaccinated.
The Vietnamese government set a target of immunizing two-thirds of a population of nearly 98 million people against COVID-19 by the first quarter of next year.