Part 1 of Essay
A virus is an ultramicroscopic infectious organism that, having no independent metabolic activity, can replicate only within a cell of another host organism. A virus consists of a core of nucleic acid, either RNA or DNA, surrounded by a coating of antigenic protein and sometimes a lipid layer surrounds it as well. The v ....

Part 2 of Essay
.... strains of Ebola are Ebola Zaire, Ebola Sudan, Ebola Reston, and Ebola Tai. Each is named after the geographical location in which it was discovered. These filoviruses cause hemorrhagic fever, which is actually what kill victims of the Ebola virus. Hemorrhagic fever as defined in Mosby's Medical, Nursing, and Allied Health Dictionary as, a group of viral aerosol infections, characterized by fever, chills, headache, malaise, and respiratory or GI symptoms, followed by capillary hemorrhages, and, in severe infec ....