COVID 19 virus spread by airborne transmission in form of droplets from patients filling over the body of contacts from patients caring it and it is usually not possible if patient is about 6ft away from us .Secondly it is also transmitted from different surfaces or furniture's, walls, gates, doors, windows,ventilators, beds, chairs, wardrobe, curtains, tables, cloths, masks, food grains, utensils, books, rupees or our any belonging, food materials coming in contact with patient if patients touch these contaminated surfaces and then touch his mouth face or eye can get easily have this diseases ,and there lies a warning to clean our hands repeatedly with 60% -75% alcohol or sanitizer or washing hands all around with soap or with 0.5% hydrogen peroxide bleach or household bleach containing 0.1% sodium hypochlorite. But for how many days or hours remain alive on different surfaces to…