The new patients were recorded in Covid-19 hotspots Bac Giang (62), HCMC (15) and Bac Ninh (10).
The cases in Bac Giang and Bac Ninh are related to outbreaks in their industrial parks.
Among the cases detected in HCMC, 13 are linked to a Covid cluster at the Revival Ekklesia Mission, a self-described Christian congregation, and one is related to a previously confirmed Covid-19 patient. The transmission source for the remaining one has not yet been established.
Also Friday, Vietnam confirmed its 50th Covid-19 death.
Since the fourth wave broke out on April 27, Vietnam has recorded 5,175 local cases in 37 localities. Thirteen provinces have not recorded any new case in 14 days.