It is unclear how long the virus that causes COVID-19 survives on the surface, but it appears to behave like other coronaviruses. Studies suggest that coronaviruses (including preliminary information about the COVID-19 virus) may persist on the surface for a few hours or even several days. This can vary under different conditions (for example, type of surface, temperature or humidity of the environment).
If you think a surface may be infected, clean it with a simple disinfectant to kill the virus and protect yourself and others. Clean your hands with an alcohol gel or wash them with soap and water. Avoid touching your eyes, mouth or nose.