This document discusses rubella (German measles). It provides information on: - Rubella is caused by the rubivirus and affects both sexes equally, usually occurring in children aged 5-9. - The virus enters through the respiratory tract and spreads to lymph nodes, causing a rash after 7-9 days. - Infection confers lifelong immunity. Contracting rubella while pregnant can cause congenital rubella syndrome in the baby. - Treatment focuses on rest, symptoms, isolation during infection period, and vaccination to prevent spread.