People walk in the hallways of a hospital, then a doctor reviews the injured leg of a man leaving green sparkles on the leg and a machine.  Then, the man makes a call and leaves green sparkles on the phone that it is passes to the hand of a nurse that grabs the phone.  After the nurse enters to visit a a sick man as well two doctors who carry green sparkles on their hands that leaves on the sick man.  A person wash hand, use hand sanitizes and cleans an stethoscope to get rid off microbes.