This is the record number of cases in a single day, bringing the patient tally to 1,642.

The imported patients numbered from 1554 to 1560 include a Costa Rican man who flew from the U.S. to Ho Chi Minh City on January 24 on flight CX799.

The Costa Rican national (patient 1554) is being treated at the city’s Cu Chi field hospital.

Patients 1555-1560 took flight KE from the U.S. to the Republic of Korea and then flight VN431 to the central city of Da Nang on January 13.

These patients are being treated at the Da Nang Hospital for Lung Diseases.

Regarding the latest local infection cases, patients 1552 and 1553 were confirmed earlier this morning while detailed information on 82 others will be updated later.

The same day, Prime Minister Nguyen Xuan Phuc issued a directive ordering lockdown of Chi Linh city of Hai Duong province and temporary suspension of the Van Don International Airport in Quang Ninh province following detection of the aforesaid local infections.

The order was made after an urgent meeting presided by the Government chief in the morning./.