HELLO
cornoa virus is infection which gets accumulates in the breathings parts such as nose, sinuses, or upper throat. most of the corna viruses are not dangerous but it has been know that some of them very serious .They can infect both animals and humans.
it is still unknown where it came from.It spreads the same way as the cold causing viruses do by sneezing,coughing etc.
Almost everyone gets a coronavirus infection at least once in their life, most likely as a young child

Hello

Coronaviruses are a group of viruses that cause diseases in mammals, including humans, and birds. In humans, the virus causes respiratory infections which are typically mild, but may rarely be lethal. In cows and pigs they may cause diarrhea, while in chickens it can cause an upper respiratory disease