The 60-year-old man, now tagged as "patient 1203," arrived from Qatar via Qatar Airways flight QR976 that landed in Hanoi's Noi Bai Airport on October 31.
His test came as positive on Tuesday as he was quarantined at a centralized camp in the city. He is now treated at the National Hospital for Tropical Diseases in Dong Anh District.
Among Vietnam’s current Covid-19 tally of 1,203, 1,069 have recovered and 35 have died. Three patients who died after recovering from Covid-19 have not been counted in either the recoveries or the deaths.
Of the infections, 691 are cases caused by locally transmission and the rest are all citizens returning from abroad and foreigners coming to the country.
By Wednesday the nation has entered day 63 free of community transmission and the authorities on Monday have affirmed to continue making wearing masks in public places a mandatory regulation.
More than 15,000 are currently in quarantine in Vietnam, including 200 at hospitals, more than 13,000 at centralized camps and the rest at home or accommodation facilities.