"Red Alert" looks into the sudden rise of measles cases in the country. Jeff Canoy talks to Mariel Molina, the mother of Methuselah, a five-year old boy who suffers from Sub-acute sclerosing pan-encephalitis. She recounts how her son got the illness after being infected with measles during his infancy. The program then discusses the causes of measles, and its modes of transmission. Lastly, several experts give their tips in order to avoid the spread of the infection.