case history: equine coital exanthema caused by equine herpesvirus 3 (ehv3) was reported in 1900. at the present time, it has become epidemic among horses. the virus could be transmitted via insemination, iatrogenic, and it basically infects the squamous epithelium of the epidermis. clinical presentation: in the first week of january 2012 two mature male horses and a mare were imported from net...