Of the total, 8,628 cases were detected in the community through random testing and test screening, the Ministry of Health (MoH) said in its coronavirus update on December 3.
Official data from the MoH also showed an additional 200 patients died and 1,148 more patients recovered from the disease.
Most of the newly detected cases were in southern localities, with Ho Chi Minh City registering the highest number of infections at 1,311.
It was followed by Can Tho, Soc Trang, Tay Ninh, Dong Thap, Binh Thuan, Ben Tre, Vinh Long, and Ba Ria – Vung Tau, that reported between 500 and 1,000 cases each.
In the north, Hanoi topped localities as 791 new infected were recorded, with almost half of them diagnosed in the community. Notably, 15 cases were confirmed at the Central Maternity Hospital in city centre on December 3.
There were also sharp rises in infection numbers in Hai Phong and Bac Ninh provinces that saw 198 and 127 cases detected respectively.
As of 06pm on December 3 Vietnam has confirmed 1,280,780 COVID-19 cases since the start of the first outbreak in January 2020, ranking 35th out of 223 countries and territories worldwide.
Of the total, 1,006,459 patients have been discharged from hospital after making a full recovery from the disease.
As many as 25,858 patients have died of the virus, making up 2% of the total number of infections.
Nearly 126 million vaccine doses have been administered nationwide, with nearly 53 million people getting their second shot.