Myxomatosis is a viral disease that is common among rabbits. The disease is characterized by swelling, discharge from the eyes, nose, and genitals, and growths or tumors on the skin. Synonyms for myxomatosis include rabbit plague, myxoma, and myxomatous disease. Rabbit plague refers to the severity of the illness and the high mortality rate, while myxoma and myxomatous disease describe the growths and tumors often associated with the condition. Other terms used to refer to myxomatosis include infectious myxomatosis and myxovirus. These synonyms all denote the same viral disease and are used interchangeably amongst veterinarians and biologists.