They were put under quarantine in Quang Ninh, Tien Giang and Khanh Hoa provinces following their arrivals.
So far, the total number of COVID-19 cases has amounted to 1,134; 691 of them are locally-transmitted. Since July 25, there have been 551 new cases in 15 cities and provinces.
Epidemic hotbeds have been controlled in localities. Up to 1,031 cases have been recovered.
Among patients under treatment at medical establishments, seven tested negative to SARS-CoV-2 once, four twice and 12 thrice. The country recorded no cases in critical conditions. The number of fatalities stands at 35.
