マレック病びょうMeanings1nounMarek's diseasemedicineA highly contagious viral neoplastic disease in chickens, caused by an alphaherpesvirus. Used in veterinary and medical contexts.マレック病びょうは鶏にわとりの重じゅう要ような感かん染せん症しょうの一ひとつです。Marek's disease is one of the important infectious diseases in chickens.