Of them, 57 are in epicenter Bac Giang and 27 are in its neighbor Bac Ninh. The three other cases are in Hanoi, Bac Lieu and Gia Lai each.

The new patients in Bac Giang are all related to its hotspots at its industrial parks.

In Bac Ninh, the cases are those linked to a cluster in Thuan Thanh District and have been isolated prior to the tests.

The case in Hanoi is detected at the K hospital cluster. This patient had contact with a Covid-19 patient.

The case in Gia Lai is a person that had contact with a Covid-19 patient at the T&T Group, yet another cluster in Hanoi.

In Bac Lieu, the patient is associated with a Christian mission cluster in HCMC. The cluster that emerged on Wednesday has reported as many as 58 infections, including members of the Revival Ekklesia Mission and those that had met with infected members.

Genetic sequencing on five of the patients in the cluster found they were infected with the highly transmissible variant B.1.617.2 that was first found in India.

With the new confirmations, southern Bac Lieu Province and Central Highlands Gia Lai Province have for the first time recorded cases in this wave, which started over a month ago.

Until now, the wave has seen 3,595 infections spread to 33 cities and provinces, or more than half of Vietnam's 63 localities. Eight have gone over two weeks without recording any new cases.

Bac Giang has kept accounting for the highest infections, with 1,881, followed by Bac Ninh with 736.