(1) Avoid touching eyes, nose or mouth;
(2) Put on a maskduring the trip;
(3) Avoid contact with sick people;
(4) When symptoms of respiratory tract infection and fever develop, seek medical advice promptly;
(5) Wash hands frequently with soap and water, or apply alcohol-based hand cleaners;
(6) After returning from an affected area, wear a surgical mask for 7 days and pay close attention to his/her health.