Prime Minister of Vietnam Nguyễn Xuân Phúc ordered measures to prevent and counter the spread of the disease into Vietnam, as well as to warn Vietnamese citizens not to visit the epidemic areas.[162] Deputy minister Đỗ Xuân Tuyên [vi] said that Vietnam is considering closing the border with China as a necessary countermeasure.[163] Saigon Tourist announced that it has cancelled all tours to or transit in Wuhan.[164] On 24 January, the Civil Aviation Administration of Vietnam ordered the cancellation of all flights from and to Wuhan.[165][166]