They land on surfaces after being breathed out.
They get on infected people's hands when they cough and sneeze, or touch their face.
They stay on surfaces that people with the virus have touched.
You then get viruses on your hands by touching an infected person or surface e.g. a cup, door handle, stair rail, mobile phone, computer keyboard.
The virus gets in to your body when you touch your face – such as when eating, rubbing your eyes or using the phone.