Current epicenter HCMC recorded 70 of the 80 deaths, the others occurring in Dong Thap (five), Long An (two), and Tra Vinh, Bac Ninh and Vinh Long (one each).
The latest confirmation ups Vietnam's Covid-19 death toll to 334 since the pandemic first broke out in early 2020.
Health Minister Nguyen Thanh Long said at a Monday meeting that the number of infected patients is set to increase in the coming days, leading in turn to an increase in the rate of critically ill patients.
The latest report from the health ministry says there were nearly 1,000 patients nationwide with severe and very severe prognosis as of Monday noon with 12 assessed to be close to death.