The Ministry of Health announced 3,636 more COVID-19 patients in Vietnam on Thursday, together with 1,541 recoveries and 71 fatalities.
The latest cases, including 18 imported and 3,618 local infections, were found in 50 provinces and cities, the health ministry said, adding that 1,649 patients were detected in the community.
Ho Chi Minh City reported 1,255 of the domestically-infected cases, Binh Duong Province 483, Dong Nai Province 390, Tay Ninh Province 185, An Giang Province 174, Soc Trang Province 109, Bac Lieu Province 102, Binh Thuan Province 78, Khanh Hoa Province 40, Can Tho City 23, Ba Ria-Vung Tau Province 18, and Hanoi nine.
Vietnam had documented 3,635 locally-acquired infections on Wednesday.
The country has recorded 872,811 community transmissions in 62 out of its 63 provinces and cities since the fourth virus wave emerged on April 27.
Ho Chi Minh City leads the table with 422,201 patients, followed by Binh Duong Province with 227,328, Dong Nai Province with 60,081, Long An Province with 33,999, Tien Giang Province with 15,331, Dong Thap Province with 9,334, Khanh Hoa Province with 8,629, Da Nang with 4,942, Ba Ria-Vung Tau Province with 4,441, and Hanoi with 4,374.
Vietnam registered only 1,570 locally-transmitted infections in total in the previous three waves.
The health ministry logged 1,541 recoveries on Thursday, bringing the total to 798,124.
The toll has spiked to 21,487 deaths after the ministry confirmed 72 fatalities on the same day, including 41 in Ho Chi Minh City and 12 in Binh Duong Province.
Vietnam has found 873,901 infections since the COVID-19 pandemic first hit it early last year.
Health workers have given more than 68.8 million vaccine doses, including 1,728,941 shots on Wednesday, since vaccination was rolled out on March 8.
Over 19.4 million people have been fully inoculated.
Health authorities target to inoculate at least two-thirds of a population of nearly 98 million people against COVID-19 by the first quarter of next year.