Virus 06 : An infectious micro-organism that exists as a particle rather than as a complete cell. Particle sizes range from 20 to 400 manometers (one-billionth of a meter). Viruses . are not capable of reproducing outside of a host cell
Central Intelligence Agency, Chemical/Biological/Radiological Incident Handbook (Sections G., H. and I. Glossaries of Chemical, Biological and Radiological Terms), Office of Public Affairs Washington, D.C., USA 1998. https://www.cia.gov/library/reports/general-report s-1/cbr_handbook/cbrbook.htm#8, (CBRN - Amer) {787}
Central Intelligence Agency CIA, Chemical/Biological/Radiological Incident (CBR) Handbook, Section H. Glossary of Biological Terms, The Office of Public Affairs (OPA), Central Intelligence Agency (CIA) Washington, DC, USA 1998. https://www.fema.gov/vii-glossary-terms, (D/CBRN - Amer) {814}