Who discovered germ theory? Why do we need vaccines? When did people start using antibiotics? Each book in Super Science Feats: Medical Breakthroughs profiles a specific accomplishment in the history of medicine and how those advancements influence our world today, covering relevant topics such as COVID-19. Bright, full-color photographs complement the carefully leveled text to make reading easy and fun. Each title includes an infographic, a glossary, and an index to aid comprehension. In Vaccines, readers will learn about the science behind the discovery and development of vaccinations. Vibrant, full-color photos and carefully leveled text will engage readers as they learn more about how vaccines work and how this super science feat continues to adapt in our changing world, from COVID-19 to the seasonal flu. A Take a Look! infographic aids understanding, sidebars present interesting, supplementary information, and an activity helps readers learn more. Children can learn more about vaccines using our safe search engine that provides relevant, age-appropriate websites. Vaccines also features reading tips for teachers and parents, a table of contents, a glossary, and an index. Vaccines is part of Jump!'s Super Science Feats: Medical Breakthroughs series.