Before the development of a vaccine, the deadly disease of measles was common. Marnie and her trusty AI sidekick Glitch set out to learn more about the story of measles. How is it treated and prevented? How did scientists discover its cause and develop a vaccine? As usual, Maisie goes a little above and beyond and learns EVERYTHING there is to know about measles, learning along the way how scientists and doctors work to keeps us safe. A fun...