The new cases were quarantined right after their arrival in the south-central province of Binh Thuan and the central city of Da Nang.
This brought the national tally of COVID-19 to 1,413, the committee reported. Vietnam has so far successfully treated 1,269 COVID-19 patients and kept the fatalities at 35.
Among the patients still under treatment, 10 have tested negative for the virus once, six twice and four thrice.
A total of 17,220 people who had close contact with COVID-19 patients or arrived from pandemic-hit areas are being quarantined nationwide, with 209 at hospitals, 15,690 at State-designated facilities and 1,328 at home or their accommodations.