The patient is a young man named L.T.A, born in 1993, is an employee (flight coordinator) of Tan Son Nhat airport, living at 5th Floor, C2 Building, Ehome 4 Apartment, Hoa Long Quarter, Vinh Phu Ward, Thuan An City. Currently, L.T.A is being isolated and treated at Cu Chi Field Hospital.
From December 2020: L.T.A moved to Ehome Apartment in Binh Duong and shared a room with two younger brothers.
On January 22, 2021: L.T.A stayed at home until 18:30, he started going from his apartment in Binh Duong to the airport for working until 04:00 am on January 23, 2021. During working time, L.T.A only walked in the airport and did not leave the airport, then went straight to his apartment by private vehicle without stopping at any other place.
On January 23, 2021: L.T.A stayed at home in Binh Duong, did not go anywhere else.
On January 24, 2021: L.T.A stayed at home until 14:00 and went to work by private vehicle; he worked until 23:00 at the airport and did not leave the airport until the end of working time, then went straight to his apartment by private vehicle.
On January 25, 2021: L.T.A stayed at home until 14:00 and arrived at the airport, along the way he stopped at a gas station on Highway 13 which is 1 km from the apartment and worked at the airport until 23:00, then went straight to his apartment by private vehicle.
On January 26, 2021: Stayed at home until 18:30, went to the airport until 4:00 a.m on January 27, 2021, he went straight to his apartment.
On January 27, 2021: Stayed at home until 2:00 p.m., he went to work at the airport until 23 o'clock then went straight to his apartment.
On January 28, 2021: Stayed at home until 5:00 p.m., we went to Goat Hotpot Restaurant at 475 Le Trong Tan Street, Tan Phu District and had dinner with 03 friends until 21:30 he went straight to his apartment.
On January 29, 2021, he stayed at home and did not go anywhere.
On January 30, 2021: Stayed at home until 18:30, had dinner at home and went to work at the airport until 5:00 a.m of the next day.
On January 31, 2021: He went to work.
On February 1, 2021: Had breakfast at the noodle shop on Hong Ha Street, near Coffee House, Ward 2, Tan Binh District with a colleague. He went to work from 13:00 to 23:00, coming back home in Binh Duong by motorbike.
On February 2, 2021: Took a day off at home; at around 9:00 am he bought bread at a breakfast store (the aisle of the B4-C2 building, turn left 20m, the store is next to Pharmacity) and took it home to eat. Then, he went to the Moc Coffee shop (with no one), the shop was not crowded at this time (he sat at the second table at the left from the entrance). Then, at around 10:30 am he went to buy fruit at the grocery store near Ehome Apartment in Binh Duong (B2 / B4 entry, next to B2 on the left, there is a fruit stall) and then came back to the apartment. At about 23 o'clock on the same day, L.T.A. felt tired.
On February 3, 2021: A female friend (friend of the younger brother) came to the apartment, but L.T.A did not contact. In the morning, L.T.A had fever, cough, headache and fatigue. At 13:30, L.T.A was taken to the 175 Hospital -Ho Chi Minh by his brother. At 16:30, he went straight to apartment in Binh Duong by motorbike.
On February 4, 2021: Stayed at home, went to the breakfast shop (the shop he arrived on 02/02/2021), sat at the 2nd table on the right from the entrance.
On February 5, 2021: Had breakfast at the same shop on February 2 and February 4, 2020. Then, he went to Tan Son Nhat airport to have sample for Covid-19 test on the 1st floor, T2 terminal. At about 9:30 am, he came back for re-examination at 175 Hospital in the clinical screening area (Nguyen Thai Son street gate). Here, L.T.A was examined and tested, then paid hospital fees and came back. From 11:00 to 12:30, came to Coffee House at 18 Hong Ha, Ward 2, Tan Binh with a friend. Then, he came back home in Binh Duong. At 18 o'clock, L.T.A rode a motorbike to Tan Son Nhat airport to work, when arriving at the gate, the superior informed the positive test result for SARS-CoV-2, L.T.A was asked to return his home in Binh Duong. However, when he arrived at Ha Huy Giap Street, District 12, Ho Chi Minh City Center for Disease Control requested to stop for Hoc Mon Medical Center to reach and bring to the quarantine area for epidemiological investigation and took sample for SARS-CoV-2 test.
L.T.A was transferred to Cu Chi Field Hospital at 23:00 on February 5, 2020.
Immediately after receiving the information, the health sector of Binh Duong province responded quickly, directing the locality to approach the L.T.A family in Thuan An City to investigate the epidemiology. Through investigation, there were 2 family members in close contact, both of them were strictly isolated; at the same time, the functional forces also blockaded the Ehome Apartment. Up to now, 07 cases have been identified in close contact with L.T.A and in concentrated isolation, taking sample for testing. Continue to investigate round 2 exposures of close contact cases that have been in concentrated isolation.