After arriving at Tan Son Nhat airport in Ho Chi Minh City onFlight VN28 from Ukraine on September 1, they were put under quarantine in thesouthern province of Ba Ria – Vung Tau.
They tested negative to SARS-CoV-2 for the first time onSeptember 3 and positive the second time on September 9.
Vietnam has so far recorded 1059 infection cases, 691 ofthem are locally-transmitted.
Also on September 9, 21 patients were given the all-clearfrom the virus, including 10 in Da Nang, four in Hanoi, four in Quang Nam, twoin Bac Lieu and one in Dak Lak.
Among patients under treatment at medical establishments, 16tested negative once, 13 twice and 21 others thrice.
The country also recorded 35 fatalities related to COVID-19,most of them suffered serious underlying diseases.
As many as 37,474 people nationwide who had close contactwith patients or entered from pandemic-hit areas are under quarantine, 834 ofthem are in hospitals, 13,365 in other establishments and 23,274 at homes.
The Health Ministry has urged each Vietnamese citizento download Bluezone app at https://www.bluezone.gov.vn to receive infection risk warnings./.