Of the new cases, 57 cases were recorded in Bac Giang and 19 in Bac Ninh.
All the patients in Bac Giang are associated with the province's Quang Chau, Van Trung and Song Khe-Noi Hoang industrial parks.
18 cases in Bac Ninh have made contact with confirmed coronavirus cases, while one case was detected through Covid-19 screening.
Since the new wave of Covid-19 emerged in Vietnam on April 27, the nation has recorded 2,165 cases in 30 cities and provinces. Over a million people have been vaccinated against Covid-19.