Of the new cases detected in the southern metropolis, 547 were found in quarantine zones and locked down areas and 56 are being contact traced.

The city's neighbor Dong Nai Province recorded 72 cases, with 16 coming into close contact with previously confirmed patients, 47 returning from HCMC, and nine having unclear infection sources.

Mekong Delta's Dong Thap Province registered 36 cases that are associated with existing patients.

Ba Ria-Vung Tau Province that borders HCMC recorded 17 cases, including nine have contact with Covid-19 patients, two returning from HCMC and six being contact traced.

An Giang Province in the delta reported eight cases: four are linked to previous cases and four returned from HCMC.

In central Vietnam, Phu Yen and Khanh Hoa provinces got 18 cases each, and all have been isolated prior to their test results.

Ninh Thuan Province recorded seven cases, one having contact with a Covid-19 patient and six with unknown transmission sources.

The case in Central Highlands's Dak Nong Province is associated with a previously confirmed case.

Hanoi got 11 cases linked to previous patients and the nearby Hung Yen Province had 10 cases that are also related to confirmed patients.

Since April 27 when the new wave started, Vietnam has recorded 34,659 infections in 58 of the nation's 63 cities and provinces.

HCMC has the most infections, 19,405.

The nation has got more than 4.14 million of its 96-million population vaccinated and 286,772 have received two doses.