Accordingly, on January 30, 2020, Phu Giao police issued Official Letter No. 92 / CAH-TH on situation of the Covid-19 pandemic in Phu Giao district, including the case of Nguyen Thi Hiep, born in 1965; permanent residence in Ca Na hamlet, An Binh commune, Phu Giao district, Binh Duong province on the same flight with one Covid-19 positive case. Mrs. Hiep. has a daughter named Nguyen Thi Thu Hien, born in 1992, is currently a police officer in Tan Hiep commune. However, through the meeting of District Steering Committee for Covid-19 pandemic prevention and control on January 30, 2020, it was announced that the result of Nguyen Thi Hiep case was negative for SARS-CoV-2, Nguyen Thi Thu Hien was in good health, no effect to the police officers and soldiers of Phu Giao district who have in contact with Mrs. Hien.