Erythema nodosum in the course of Crimean-Congo haemorrhagic fever.

Crimean-Congo haemorrhagic fever is an emerging zoonosis with a wide geographic distribution and protean clinical manifestations. The main pathogenesis of this infection has not been elucidated. Erythema nodosum is an immunologically-mediated dermatologic disease and the most common form of panniculitis that has been associated with many infections and inflammatory disorders.