Ma'anar ƙamus na cytomegalovirus (CMV) nau'in kwayar cuta ce da ke cikin dangin herpesvirus kuma tana iya haifar da cututtuka a cikin mutane. CMV cututtuka yawanci asymptomatic ko haifar da m mura-kamar bayyanar cututtuka a cikin lafiya mutane, amma za su iya haifar da rashin lafiya mai tsanani a cikin mutanen da raunana tsarin rigakafi, kamar jarirai, tsofaffi, da kuma mutane da HIV / AIDS ko jurewa gabobin dasawa. Ciwon CMV kuma yana iya haifar da lahani idan mace mai ciki ta kamu da ita.