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 surrou...

The Ebola Virus 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 someti...

Section II: Summary " We don't really know what Ebola has done in the past, and we don't know what it might do in the future." (p.49) According to Eugene Johnson, a civilian virus hunter, specializing in Ebola, the essence of the virus itself is one whose existence is st...

The Hot Zone The hot zone is a extraordinary book its based on a true story describing twenty-three years of shocking frightening outbreaks of deadly unstoppable viruses. These highly infectious viruses were...