The three localities recording the most cases were Ho Chi Minh City (4,252), Binh Duong (3,183) and Dong Nai (623).
The number of recoveries since the beginning of the pandemic has increased to 154,612 after 6,945 were announced recovered Monday, while the death toll increased by 389 to 8,666.
HCMC, epicenter of Vietnam's fourth coronavirus wave, has so far recorded 180,245 local cases and 6,878 deaths. The city has tightened its Covid-19 prevention measures starting Monday.
The total number of cases in Vietnam since the start of the pandemic last year has risen to 358,403.
Vietnam has vaccinated over 17.3 million people with at least one Covid-19 vaccine shot, with over 1.8 million people having been fully vaccinated.