The new cases raised the country's total tally to 1,029.
Patients 1023 and 1024 are residents in an area under lockdown in Hoa Tien ward, Hoa Vang district.
The other 7 are family members of patient 1017.
4 COVID-19 patients were given the all-clear on Tuesday, bringing the number of recovered patients to 592. There have been 27 fatalities.