Ẹ̀ràn (virus) jẹ́ kòkòrò àìfojúrí tí ó máa ń bí ara rẹ̀ ní ìlọ́po àìmọye lára ènìyàn, ẹranko tàbí ibikíbi tí ó bá gbè é. Lodish, Harvey; Berk, Arnold; Zipursky, S Lawrence; Matsudaira, Paul; Baltimore, David; Darnell, James (2020-03-17). "Viruses: Structure, Function, and Uses". Molecular Cell Biology. Retrieved 2020-03-17.