Eight of them returned from Russia on Flight VN5062 which landed in Van Don airport in northern Quang Ninh province on October 31. They tested positive for SARS-CoV-2 while in quarantine.
The two remaining are under quarantine and treatment at General Hospital of Bac Ninh province. The two returned from Angola on Flight VN8 arriving at Van Don airport on October 20.
As of November 3 evening, Vietnam recorded 1,202 patients positive to SARS-CoV-2, 691 of them were locally-transmitted.
The same day, four patients were given the all-clear, raising the total number of recovered cases to 1,069.
Vietnam has so far gone through 62 days without local transmissions, with pandemic outbreaks basically under control.