Bac Giang Province recorded 32 cases linked to hotspots at its industrial parks. Its neighbor Bac Ninh Province registered 20 cases, including nine related to an industrial park in Khac Niem District and 11 linked to other clusters in Thuan Thanh and Que Vo District. District.
Lang Son Province reported three cases, with two related to two clusters at Quang Chau and Van Trung industrial parks of Bac Giang.
In Hai Duong Province, the new case is a 48-year-old woman who has been found with Covid-19 via community screening.
Vietnam was hit by a new Covid-19 wave more than five weeks ago and 4,781 infections have since then been recorded in 37 of its 63 cities and provinces.
Bac Giang and Bac Ninh now have the highest number of infections, at 2,565 and 927.
Ever since the pandemic broke out, the nation has registered 7,870 cases, including 3,085 recoveries and 49 deaths.