Work-Related Diseases
Find information on occupational work-related diseases including diseases, category and group, synonyms, severity, latency, risk factors, signs and symptoms, diagnosis, prognosis, and treatments and options.
Orf (Contagious ecthyma)
Occupational Disease Orf (Contagious ecthyma)
Orf (Contagious ecthyma) Category Infection, Occupational
Orf (Contagious ecthyma) Severity
Subacute
Orf (Contagious ecthyma) Synonyms
Parapox virus infection
Information on Orf (Contagious ecthyma) Symptoms, Diagnosis, Prognosis, Screening and Imaging
This viral infection is transmitted from infected sheep or goats and occasionally from deer or reindeer. The clinical findings are limited to one or more papules and, in a minority of cases, regional lymphadenitis. The lesion is described as, "a red to violet vesiculonodule, maculopapule or pustule, that progresses to a weeping nodule with central umbilication." Papules may reach 3 cm in diameter and last 3 to 6 weeks. The condition may be confused with cutaneous anthrax. A related condition is milker’s nodule caused by a different parapoxvirus. [Chin, p. 367-8] Milker’s nodules are seen in dairy farmers and veterinarians after contact with infected udders and teats of cattle. [p. 281, Marks]
Orf (Contagious ecthyma) Latency
Generally 3-6 days
Orf (Contagious ecthyma) References
http://www.cdc.gov/niosh/ocderm16.html