abstract: World Health Organization (WHO) Risk Group-4 (RG-4) pathogens are among the most dangerous of the emergent and re-emergent viruses.International health agencies, working in concert, bridge the gaps in health care for populations at risk for RG-4 viral pathogen exposure.RG-4 virus research incorporates Biodefense Program and Biosafety Laboratory (BSL)-4 technologies.RG-4 viruses include Arena-viridae, Filo-viridae, Flavi-viridae, Herpes-viridae, Nairo-viridae, Paramyxo-viridae, and Pox-viridae.
journal: Bioinformation