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

See Privacy Policy at https://art19.com/privacy and California Privacy Notice at https://art19.com/privacy#do-not-sell-my-info.