The recent outbreak of the corona virus is new, but its history is very old. The classification of viruses shows that corona virus is a virus belonging to the genus Corona virida, which belongs to the genus Niduvirus. Its subgenus is Corona virina. And the name of this species of corona virus is "2019-novel corona virus". The novel corona virus is known to us as corona virus. The virus is named after the Latin word ' corona' ( crown). Interestingly , it looks a lot like a crown under an electron microscope. And that is why it is named 'Corona'. So far, a total of 6 types of corona viruses have been found which are infecting people with new genetic mutations in them. It infects the human lungs and is contagious, like the common flu or the common cold. Analysis of the genetic code of the virus shows that it is closely related to the SARS and Mars viruses. About 600 people died from the SARS virus in 2002. In 2012, many people lost their lives due to the effects of Mars. SARS and MARS viruses are different species of corona viruses. The disease caused by the attack of the novel corona virus is called covid-19. Click here for details