0 an action you can take to prevent an infectious disease from spreading, such as washing your hands or covering your mouth when you cough: --
Traffic officers have all been made aware of barrier gestures such as standing at a distance, sneezing into the elbow and washing hands.
Wearing a disposable mask when you are sick is an important barrier gesture.
Regular hand washing, coughing and sneezing into one's elbow and using a tissue only once are three barrier gestures recommended to prevent the spread of coronavirus.