NAPWA

A genus of virusesA small infective organism which is incapable of reproducing outside a host cell. of the family _Coronaviridae_ which look like coronas or halos when viewed with a microscope. Coronaviruses can cause hepatitis (inflammation of the liverA large organ, located in the upper right abdomen, which assists in digestion by metabolising carbohydrates, fats and proteins, stores vitamins and minerals, produces amino acids, bile and cholesterol, and removes toxins from the blood.) in mice, gastroenteritis (inflammation of the digestive system) in pigs, and respiratory infections in birds and people.