According to head of the Hanoi Capital High Command of the People's Army of Vietnam's Medical Service, none of the people have shown any symptoms related to respiratory problems. But according to regulations they need to be monitored for 14 days. 

The quarantine area of the Hanoi Capital High Command of the People's Army of Vietnam

Every day, they will have two temperature checks. Anyone who has suspected symptoms such as cough and fever will be taken to a local hospital for further examinations. 

Ngo Van Quy, vice chairman of Hanoi People's Committee, said that Vietnam had received five flights from coronavirus-hit areas on Tuesday. 

Quy proposed setting up more quarantine areas in Hanoi as the military in the city can accommodate around 900 people. Meanwhile, the quarantine area of Hanoi Police Hospital has reached capacity. 

A large number of South Korean people are living in Hanoi, including more than 3,000 in Bac Tu Liem District; 2,814 in Cau Giay District; 9,102 in Nam Tu Liem District and 1,838 in Thanh Xuan District. 

In many cases, medical agencies have to seek the management board of local apartment buildings' help to work with South Korean people in coronavirus prevention. 

Hanoi has five mobile coronavirus prevention and control teams.