Avoid touching your nose, eyes and mouth. These are entry points for viruses and bacteria
Avoid contact with people that are sick as they may be contagious. Do not get close to them and do not touch objects they have used, like their utensils for instance
Clean your surroundings regularly, as well as the sanitary appliances you use. For example, clean your counters and other surfaces that you touch often with your hands. Also wash toilets and sinks in order to keep them clean. Cleaning is very effective in killing viruses, which can survive on hard surfaces.
Clean with soap and water or use domestic detergents