also known as German measles, is a contagious viral infection that typically causes a mild illness characterized by a red rash on the body. The rubella virus belongs to the genus Rubivirus in the Togaviridae family. It is primarily transmitted through respiratory droplets from an infected person. The virus can also be transmitted from a pregnant woman to her developing fetus, potentially leading to serious consequences known as congenital rubella syndrome.It is essential for pregnant women to avoid contact with individuals who have rubella, as the virus can have severe consequences for the developing fetus. Regular vaccination is the most effective way to prevent rubella and its complications.