echovirus wata ƙungiya ce ta ƙananan ƙwayoyin cuta na RNA na genus Enterovirus (nau'ikan Human enterovirus B) waɗanda ke da alaƙa da polioviruses amma suna haifar da rashin lafiya mai kama da mura kuma galibi ana samun su a cikin gastrointestinal tract. Sunan "echovirus" takaitaccen bayani ne na "cutar marayu na cytopathic mutum."
