The 43-year-old doctor had participated in a training courseat the National Hospital for Tropical Diseases in Hanoi’s Dong Anh districtbefore the hospital was put under lockdown on May 5.
The Military Hospital 105 has defined 22 people who hadclose contact with him. It has also been taking samples from its staff forCOVID-19 testing.
The National Hospital for Tropical Diseases was thefrontline facility in the COVID-19 fight. On May 4, a doctor of the hospitalwas confirmed positive for the coronavirus./.