The virus that causes Covid-19 is mainly transmitted throught droplets generated when an infected person coughs,sneezes, or exhales.These droplets too heavy to hang in the air and quickly fall on floor or surface. You can be infected by breathing in the virus if you are within close proximity of someone who has covid-19 or by touching a contaminated surface. So , Staying at home is the most savely and can curtail the communicable virus. On the other hand, long time stay at home can cause depression.