Doan Khac Viet, vice spokesperson of the Vietnamese Foreign Ministry, attends a press conference in Hanoi, capital of Vietnam, on Feb. 20, 2020. Vietnam highly values the efforts made by the Chinese government and people in preventing and controlling the novel coronavirus disease (COVID-19) outbreak, Doan Khac Viet said Thursday. (Xinhua/Wang Di)

　　Doan Khac Viet, vice spokesperson of the Vietnamese Foreign Ministry, speaks at a press conference in Hanoi, capital of Vietnam, on Feb. 20, 2020. Vietnam highly values the efforts made by the Chinese government and people in preventing and controlling the novel coronavirus disease (COVID-19) outbreak, Doan Khac Viet said Thursday. (Xinhua/Wang Di)