The additional 28,000 cases had been detected in quarantine zones in Binh Duong Province between July 10 and Nov. 3, making it the locality with the highest infection tally on Tuesday, with 28,698 cases.
The province is followed by its neighbor Ho Chi Minh City, with 1,204 cases.
Ba Ria - Vung Tau, another HCMC's neighboring province, had the third highest number of infections of the day, 709.
The ministry confirmed 167 Covid-19 fatalities on Tuesday, including 62 in HCMC and 28 in the Mekong Delta's An Giang Province, raising the nation's death toll since the start of the pandemic to 24,118, or 2.1 percent of the total infections.
In the fourth wave which hit Vietnam almost seven months ago, more than 1.11 million people have been infected. Of them, 908,493 have recovered.
Of the nation's 96-million population, 43.5 million have been fully vaccinated against Covid-19.
Hanoi started vaccinating children on Tuesday, becoming the 23rd place in the country to do so. More than 33,600 children aged 15-17 got their first Pfizer shot by the end of the day.