Vietnam’s Ministry of Health recorded five imported COVID-19 cases on Monday, bringing the national tally past the 1,400 mark.
The five patients were quarantined upon arrival by plane as per regulations, the health ministry noted.
Two of the patients landed at Van Don International Airport in Quang Ninh Province on board flight VN009 from Angola on Saturday.
Both were sent to collective quarantine in Thai Binh Province upon entry before testing positive for the novel coronavirus one day later.
They are treated for COVID-19 in Hanoi.
Two of the remaining patients touched down at Can Tho International Airport in the eponymous city in the Mekong Delta aboard flight VJ2561 from Indonesia on November 29.
They were taken to centralized quarantine in Dong Thap Province after landing.
Their samples were sent to the Pasteur Institute in Ho Chi Minh City for coronavirus tests for the second time and results came back positive on Sunday.
The pair are being isolated for treatment at a hospital in Dong Thap.
The last patient landed at Van Don International Airport on board QH9302 from Saudi Arabia on December 6.
She was quarantined in Ninh Binh Province upon entry.
She tested negative for the virus on December 6 and 9 but a third test returned positive on Saturday.
The patient is in treatment at a clinic in Ninh Binh.
Vietnam has documented 1,402 coronavirus patients, including 693 local infections, as of Monday night, with 1,246 recoveries and 35 virus-related fatalities, according to the Ministry of Health.
The nation has spent nearly two weeks detecting zero community transmissions.
Although most regular inbound commercial flights are now suspended, charter planes to the country have been arranged to bring in experts, skilled workers, and diplomats, and to repatriate Vietnamese citizens stranded in other nations and territories due to the pandemic.