HCM City still recorded the highest number of infections with 909, followed by neighbouring Dong Nai province with 647 and Binh Duong province with 483.
Soc Trang reported 1,059 more cases which were detected earlier but yet to be added to the national tally, bringing the tally to 853,842.
On the day, the country saw 81 deaths from the disease. The death toll now hits 20,950.
A further 719 patients recovered, bringing the total number of recoveries to 788,005.
So far, Vietnam has injected more than 57 million doses of COVID-19 vaccines, with more than 16.8 million people now fully inoculated.