Of patients 2348 to 2362, 13 were already quarantined. One was detected in the lockdown area and another during a medical check at the local hospital.
From January 28 to February 19, Vietnam has recorded 770 community transmissions in 13 localities. Hai Duong is followed by Quang Ninh with 60 and Ho Chi Minh City with 36 cases.
The national tally has gone up to 2,362 with 1,627 recoveries and 35 deaths. Twenty-two recoveries were announced Friday. All the active cases are in stable health, with 163 have tested negative at least once for the novel coronavirus.
More than 140,000 people are quarantined in centralized centers, hospitals, at home and other designated accommodations.