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Togavirus & Paramyxovirus Viral Diseases Rubella and Rubeola German Measles (rubella) and Measles (rubeola) are similar childhood infectious rashes caused by RNA viruses. What Is an RNA Virus? Viruses are nonliving, acellular agents of infection. Strictly parasitic, viruses must infect a living cell in order to reproduce. One of the main ways to classify viruses is by the type of genetic material they contain, which can be either DNA (deoxyribonucleic acid) or RNA (ribonucleic acid), but never both. This article focuses on RNA viruses that cause childhood examthems. What Is an Exanthem? An infection that causes the skin to erupt in a rash covering most of the body is called an exanthem. Historically childhood examthems were all lumped together as one disease. Then physicians made the distinction between measles and pox. As... [read full story]
