Rubella is a viral infection that affects millions of people worldwide with symptoms similar to a common cold. This disease is also known as German measles and three-day measles and is caused by the Rubivirus. Patients suffering from this infection often experience a red rash on the skin, mild fever, and swollen lymph nodes. Rubella is highly contagious and spreads through coughing or sneezing. Other synonyms for Rubella include three-day measles, Rubeola virus, and third disease. While there is a vaccine available for Rubella, it is essential to maintain good hygiene and avoid close contact with infected individuals to prevent the spread of this disease.