Hanoi continues to lead the number of infections with 5,102 cases, followed by the northern provinces Bac Ninh with 2,360 and Phu Tho with 1,981.
The Ministry of Health confirmed 78 Covid-19 deaths on the same day, raising the national death toll to 39,504. Hanoi and HCMC recorded no deaths.
On Sunday, 13,414 patients recovered, pushing the number of recoveries to over 2.28 million.
The fourth wave that hit Vietnam last April has infected over 2.74 million cases now.
Nearly 76 million people in the country have been vaccinated with two doses and over 36.5 million with three doses.