Bovine papular stomatitis Bovine papular stomatitis Bovine papular stomatitis is a disease caused by a virus of the family "Poxviridae" and the genus "Parapoxvirus". It occurs worldwide in cattle. Symptoms include reddish, raised, sometimes ulcerative lesions on the lips, muzzle, and in the mouth. It usually occurs before the age of two years. Reinfection is possible because of the short duration of immunity. Clinically, the disease is mild, but its importance lies in the need to differentiate it from foot-and-mouth disease. There have been reports of both lesions on the hands of milkers and similar infections in sheep and goats, as well as
Aphthous stomatitis oral ulceration, but this is secondary to the underlying medical condition (see the systemic disease section). This kind of ulceration is considered by some to be separate from true aphthous stomatitis. However, this definition is not strictly applied. For example, many sources refer to oral ulceration caused by anemia and/or nutritional deficiencies as aphthous stomatitis, and some also consider Behçet's disease to be a variant. The vast majority of people with aphthous stomatitis have minor symptoms and do not require any specific therapy. The pain is often tolerable with simple dietary modification during an episode of ulceration such as avoiding