Columbia Encyclopedia

(Encyclopedia) Ebola virus ēbōˈlə [key], a virus of the genus Ebolavirus, which belongs to a family (Filoviridae) of RNA viruses that cause hemorrhagic fevers. The viruses, named for a river in Congo (Kinshasa) ...

(Encyclopedia) Marburg virus disease, formerly known as Marburg virus hemorrhagic fever, disease caused by infection with a Marburg virus, a filovirus that belongs to a family (Filoviridae) of RNA viruses that also ...

(Encyclopedia) hemorrhagic fever hĕmˌərăjˈĭk [key], any of a group of viral diseases characterized by sudden onset, muscle and joint pain, fever, bleeding, and shock from loss of blood. Bleeding occurs in the ...

(Encyclopedia)  CE5 Structure of a tobacco mosaic virus, an RNA-containing virus virus, parasite with a noncellular structure composed mainly of nucleic acid within a protein coat. Most viruses are too small (100...

(Encyclopedia) Nipah virus, RNA virus of the genus Henipavirus, family Paramyxoviridae, that rarely infects humans but can cause deadly encephalitis. In humans, the virus typically incubates for 4 to 14 days before ...

(Encyclopedia) slow virus, technically a virus, such as a lentivirus, that causes symptoms in an infected host long after the original infection and progresses slowly. Although many viruses fit this description, the...

(Encyclopedia) Zika virus zēˈkə [key], single-stranded RNA virus of the genus flavivirus that infects human and primates and causes a disease known as Zika fever or zika. It is primarily transmitted by the bite o...

(Encyclopedia) virus, computer: see computer virus. ...

(Encyclopedia) computer virus, rogue computer program, typically a short program designed to disperse copies of itself to other computers and disrupt those computers' normal operations. A computer virus usually atta...

(Encyclopedia) Marburg virus: see Marburg virus disease; hemorrhagic fever. ...