Rubeola, often known as measles, is a highly contagious viral infection. Measles is caused by infection with the measles virus. The measles virus is a non-segmented negative sense RNA virus that belongs to the morbillivirus genus of the paramyxoviridae family. It is spread through the air via respiratory droplets or aerosolized particles, and symptoms include fever, cough, coryza, and conjunctivitis, followed by an erythematous maculo-papular rash. Many organ systems are affected by measles complications, and pneumonia accounts for the majority of measlesrelated morbidity and mortality. Clinical presentation and laboratory test results, including the presence of anti IGM antibodies and/or viral RNA, are used to confirm a case. Vitamin A is given to measles patients as part of their treatment. Measles vaccines comprise of a live attenuated measles virus strains and great advance has been made to increase vaccination coverage in the world to decrease the incidence of measles from infection with measles virus.