Covid 19 is an infectious disease caused by a newly discovered coronavirus. Coronaviruses are a family of viruses that can infect animals and humans, causing illnesses ranging from the common cold to more severe diseases. The most common symptoms of Covid 19 in humans include fever, dry cough, and tiredness. It spreads primarily from person to person through respiratory droplets when an infected individual coughs, sneezes, or talks. To prevent the spread, it is recommended to practice good hand hygiene, maintain physical distance from others, wear a face mask, and disinfect frequently touched surfaces.