Both patients had close contact with previously confirmed patients and have already been quarantined following contact tracing.

The national tally has increased to 897 in 13 cities and provinces since January 28 when community transmission reemerged in Vietnam after almost two months.

Ten cities and provinces, including HCMC and Hanoi, have gone almost a month without recording any new locally-transmitted cases.

Vietnam has so far recorded 2,535 Covid-19 patients and 449 are active.