Measles virus (MeV). a member of the paramyxovirus family of enveloped RNA viruses and one of the most infectious viral pathogens identified. accounts for major pediatric morbidity and mortality worldwide although coordinated efforts to achieve global measles control are in place. Target cell entry is mediated by two viral envelope glycoproteins. https://www.spidertattooz.com/Grow-your-own-magic-bean/