are significantly less feared than prions, viruses are the second worse infectious disease to be reckoned with. Viruses of notoriety include Human Immunodeficiency Virus (HIV), Ebola Virus , Avian Virus (H5N1), Rhinovirus (common cold), Herpes Virus, Cytomegalovirus (CMV) etc etc. Even infectious diseases in computers are called computer 'viruses' rather than computer