1,399 cases were recorded in HCMC, 122 in Binh Duong, 63 in Dong Thap, 60 in Dong Nai, 41 in Long An, 33 in Da Nang, 30 each in Ben Tre and Phu Yen, 17 each in Vinh Long and Binh Thuan, 13 in Binh Phuoc, 12 in Hung Yen, 11 in Can Tho, 10 in Ninh Thuan, seven in Hanoi, four each in Soc Trang, Quang Ngai and Khanh Hoa, three each in Bac Ninh and Tra Vinh, and one each in Binh Dinh, Ca Mau, Vinh Phuc, Lam Dong, Dak Lak and Bac Giang.
The HCMC Center for Disease Control (CDC) also added 689 more cases that had previously been detected in quarantine zones to its tally.
In HCMC, 1,260 newly recorded cases have been contained within quarantine and locked down zones, and 129 are being contact traced.
Among the southern localities, 80 of the cases in Binh Duong are close contact cases, 13 others returned from HCMC, and 29 are being contact traced.
57 cases in Dong Thap have been contained within quarantine zones, and six are being contact traced.
26 cases in Dong Nai have been contained within quarantine zones, seven returned from HCMC, and 27 are being contact traced.
27 cases in Long An have been contained within quarantine zones, seven returned from HCMC, and seven are being contact traced.
29 cases in Ben Tre are close contact cases, and one is linked to the Binh Dien Market in HCMC.
16 cases in Vinh Long are linked to a company in Long Ho District, and one returned from HCMC.
Seven cases in Binh Phuoc are close contact cases, and six are linked to the Thu Duc Market in HCMC.
Four cases in Can Tho are close contact cases, three others are linked to the Tan An Market in the city, two returned from HCMC and two returned from Binh Duong.
Two cases in Soc Trang are close contact cases, and two returned from HCMC.
One case in Tra Vinh is a close contact case, one returned from HCMC, and one returned from Tien Giang.
The case in Ca Mau returned from HCMC.
In central Vietnam, 27 of the cases in Da Nang have been contained within quarantine zones, one returned from HCMC, and five are being contact traced.
All the cases in Phu Yen, Binh Thuan, and Quang Ngai have been contained within quarantine zones.
All the cases in Ninh Thuan and Khanh Hoa are linked to existing Covid-19 patients.
All the cases in Binh Dinh, Lam Dong and Dak Lak returned from HCMC.
In northern Vietnam, the cases in Hanoi, Bac Ninh and Hung Yen are close contact cases while those in Vinh Phuc returned from HCMC.
The case in Bac Giang, a 23-year-old woman, is being contact traced.
Since April 27 when the new wave started, Vietnam has recorded 37,237 infections in 58 of the nation's 63 cities and provinces.
On Thursday alone, the nation recorded 3,379 cases, an all-time high daily tally.
HCMC has the most infections, 21,493 cases.