The new patients were recorded in the northern provinces of Bac Giang, Bac Ninh and Hai Duong and the central province of Thanh Hoa.
In Bac Giang, 55 cases are related to clusters at its industrial parks.
The 23 cases in Bac Ninh are those that had contact with Covid-19 patients.
Hai Duong and Thanh Hoa reported one case each and all are associated with previously confirmed Covid-19 patients.
A month into the new wave that started April 27, Vietnam has recorded 2,873 local Covid-19 cases in 30 cities and provinces. Bac Giang and Bac Ninh suffer the highest number of infections, 1,454 and 556.
On Tuesday, the nation's daily Covid-19 tally rose to an all time high with 444 cases recorded.